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Direction 2 Addition to the Official Lists and Official Indexes of certain scientific names dealt with in Opinions 161 to 181

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 2, issue 52, pages 613-628

Direction 4 Addition to the Official Lists and Official Indexes of certain scientific names and of the titles of certain books dealt with in Opinions 134 160, exclusive of Opinion 149

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 2, issue 53, pages 629-652

Direction 5 Addition to the Official Lists and Official Indexes of certain scientific names dealt with in Opinion 149

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 2, issue 54, pages 653-664

Direction 6 Addition to the Official List of Family-group Names in Zoology of the names Meropidae (class Aves) and Meropeidae and Tingidae (class Insecta)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 2, issue 55, pages 665-684

Opinion 196 Designation, under the Plenary Powers, of a type species for the genus Bulla Linnaeus, 1758 (class Gastropoda) in harmony with accustomed usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, pages 199-206

Opinion 197 Suppression, under the Plenary Powers, of the generic name Graptolithus Linnaeus, 1768 (class Graptolithina) and of the specific name scalaris Linnaeus, 1768, as published in the combination Graptolithus Scalaris

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, pages 207-216

Opinion 199 Suppression, under the Plenary Powers, of the generic name Gladiolites Barrande, 1850, and validation of the name Retiolites Barrande, 1850 (class Graptolithina)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, pages 229-238

Opinion 206 Validation, under the Plenary Powers, of the generic name Diadema Gray, 1825 (class Echinoidea) Apr 30 1954

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, pages 319-338

Opinion 195 Designation, under the Plenary Powers, of a type species for the genus Venus Linnaeus, 1758 (class Pelecypoda) in harmony with accustomed usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 14, pages 191-198

Opinion 198 Suppression, under the Plenary Powers, of the generic names Lomatoceras Bronn, 1834, and Monoprion Barrande, 1850 (class Graptolithina), and validation of the generic name Monograptus Geinitz, 1852

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 17, pages 217-228

Opinion 200 Validation, under the Plenary Powers, of the accustomed usage of the generic names Tethys Linnaeus, 1767, and Apjysia Linnaeus, 1767 (class Gastropoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 19, pages 239-266

Opinion 201 Validation, under the Plenary Powers, of the generic name Necator Stiles, 1903 (class Nematoda) (correction of an error in Opinion 66)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 20, pages 267-274

Opinion 202 Addition of Diplodinium Schuberg, 1888 (class Ciliophora) to the Official List of Generic Names in Zoology with Entodinium dentatum Stein, 1858, as type species

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 21, pages 275-286

Opinion 203 Validation, under the Plenary Powers, of the specific name vulgaris Schmeil, 1897, as published in the combination Diaptomus Vulgaris (class Crustacea, order Copepoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 22, pages 287-296

Opinion 204 Determination of the species Eligible to be Selected as the type species of the nominal genera Established by Koch (C. L.) in the portions of the work entitled Deutschlands Crustaceen, Myriapoden Und Arachniden published in the period 1835-1842

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 23, pages 297-308

Opinion 205 Rejection of the generic name Phoranthella Townsend (class Insecta, order Diptera), as published in 1915, as a Nomen Nudum

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 24, pages 309-318

Opinion 207 Designation, under the Plenary Powers, of type species in harmony with accustomed use for the genera Echinocyamus van Phelsum, 1774, and Fibularia Lamarck, 1816 (class Echinoidea)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 26, pages 339-352

Opinion 208 Validation, under the Plenary Powers, of Phyllacanthus Brandt, 1835, and Strongylocentrotus Brandt, 1835 (class Echinoidea)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 27, pages 353-366

Opinion 209 Validation of, and designation of type species for, Brissus Gray, 1825, Echinocardium Gray, 1825, and Spatangus Gray, 1825 (class Echinoidea) under the Plenary Powers, and designation, under those Powers, of a type species for Schizaster Agassiz (L.), 1836, and, in so Far as Necessary, for Moira Agassiz (a.), 1872

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 28, pages 367-392

Opinion 210 Addition of the specific name ciliaris Philippi, 1837, as published in the combination Asterias Ciliaris (class Asteroidea) to the Official List of Specific Names in Zoology {Opinion supplementary to Opinion 129)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 29, pages 393-400

Direction 1 Addition to the Official Lists and Official Indexes of certain scientific names and of the titles of certain books dealt with in Opinions 182 to 194

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 3, issue 30, pages 401-415

Opinion 215 Emendation to Palaeoneilo of the generic name Palaeaneilo Hall, 1869 (class Pelecypoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, pages 51-62

Opinion 228 Rejection for nomenclatorial Purposes of Geoffroy, 1 762, Histoire Abregee des Insectes Qui Se Trouvent Aux Environs de Pans

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, pages 209-220

Opinion 211 Designation, under the Plenary Powers, of a type species for the genera Hemerobius Linnaeus, 1758, and Chrysopa Leach, 1815 (class Insecta, order Neuroptera) in harmony with accustomed usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 1, pages 1-14

Opinion 212 Designation of the Dates to be accepted as the Dates of publication of the Several Volumes of Pallas (P. S.), Zoographia Rosso-Asiatica

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 2, pages 15-24

Opinion 213 Determination of the type species of the genus Schwagerina von Moller, 1877 (class Rhizopoda, order Foraminifera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 3, pages 25-40

Opinion 214 Designation, under the Plenary Powers, of a type species of the genus Actinote Hübner [1819] (class Insecta, order Lepidoptera) in harmony with accustomed usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 4, pages 41-50

Opinion 216 Suppression, under the Plenary Powers, of the generic names Clavellarius Olivier, 1789, and Clavellaria Lamarck, 1801 (class Insecta, order Hymenoptera) (Opinion supplementary to Opinion 144)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 6, pages 63-72

Opinion 217 Designation under the Plenary Powers, of a type species for the genus Erycina Lamarck, 1805 (class Pelecypoda) in harmony with accustomed usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 7, pages 73-82

Opinion 218 Addition of the generic name Liodes Heyden, 1826 (class Arachnida) to the Official Index of Rejected and Invalid generic names in Zoology

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 8, pages 83-92

Opinion 219 Addition to the Official List of Generic Names in Zoology of Megachile Latreille, 1802, with Apis centuncularis Linnaeus, 1758, as type species (class Insecta, order Hymenoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 9, pages 93-102

Opinion 220 Validation, under the Plenary Powers, of the generic name Bombus Latreille, 1802 (class Insecta, order Hymenoptera), in so Far as the use of those Powers is Required to Provide that name with the status of availability

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 10, pages 103-114

Opinion 221 Emendation to Macfarlandi of the specific name pub Lished as Mcfarlandi Cockerell, 1902 in the combination Chromodoris Mcfarlandi (class Gastropoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 11, pages 115-124

Opinion 222 Designation, under the Plenary Powers, of a type species for the genus Tremataspis Schmidt, 1866 (class Cephalaspidomorphi) in harmony with accustomed usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 12, pages 125-138

Opinion 223 Suppression, under the Plenary Powers, of the generic name Teleosteus Volger, 1860, and of the specific name primaevus Volger, 1860, as published in the combination Teleosteus Primaevus (class Anthozoa)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 13, pages 139-148

Opinion 224 Determination, under the Plenary Powers, of the species of the class Brachiopoda to which the name Anomia pecten Linnaeus, 1758, shall Apply

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 14, pages 149-160

Opinion 225 Validation, under the Plenary Powers, of Belone Cuvier, 1817 (class Pisces) and Raphistoma Hall, 1847 (class Gastropoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 15, pages 161-176

Opimon 226, suppression, under the Plenary Powers, of the generic name Bilharzia Meckel von Hemsbach, 1856, for the purpose of validating the generic name Schistosoma Weinland, 1858 (class Trematoda) (Opinion supplementary to Opinion 77)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 16, pages 177-200

Opinion 227 Acceptance of the lectotype Selected by Braun in 1901 for the nominal species Fasciola ovata Rudolphi, 1803 (class Trematoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 17, pages 201-208

Opinion 229 Acceptance of the lectotype Selected by Lydekker (1891) for the nominal species Dinornis novae zealandiae Owen, 1843 (class Aves)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 19, pages 221-230

Opinion 230 Suppression, under the Plenary Powers, of Gesner (J.), 1758, Tractatus Physicus de Petrificatis for nomenclatorial Purposes

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 20, pages 231-238

Opinion 231 Rejection for nomenclatorial Purposes of Martin (W.), 1793, Figures and Descriptions of Petrifactions Collected in Derbyshire and of the work by the same author published in 1809 under the title Petrificata Derbiensia

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 21, pages 239-248

Opinion 232 Suppression, under Plenary Powers, of twelve generic names in the order Lepidoptera (class Insecta) published by Illiger in 1 807 in Senses Different from those in which those names Were published by Fabricius Later in the same Year

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 22, pages 249-274

Opinion 233 Suppression, under the Plenary Powers, of the name Octopodia Schneider, 1784 (class Cephalopoda), and of certain Reputed names published by the same author in 1784

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 23, pages 275-296

Opinion 234 Rejection for nomenclatorial Purposes of the anonymously Issued pamphlet entitled Buprestidae believed to have been written by F. W. Hope and Distributed in the Year 1836

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 24, pages 297-312

Opinion 235 Designation, under the Plenary Powers, of a lectotype for the nominal species ammonites Cordatus Sowerby (J.), 1813 (class Cephalopoda, order Ammonoidea)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 25, pages 313-328

Opinion 236 Acceptance for nomenclatorial Purposes of the work by Morten Thrane Brünnich entitled Zoologiae Fundamenta published in 1771

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 26, pages 329-342

Opinion 237 Addition of the generic name Tonna Brtinnich, 1771 (class Gastropoda) to the Official List of Generic Names in Zoology Jul 9- 1954 I/brafcl

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 27, pages 343-350

Opinion 238 Validation, under the Plenary Powers, of the generic name Cercopithecus as from Linnaeus, 1758 (class Mammalia) (correction of an error in Opinion 104)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 28, pages 351-360

Opinion 239 Designation, under the Plenary Powers, of type species for the nominal genera Podura Linnaeus, 1758, and Tomocerus Nicolet, [1842] (class Insecta, order Collembola) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 4, issue 29, pages 361-372

Opinion 260 Rejection for nomenclatorial Purposes of the work by Meuschen (F. C.) Issued in 1778 under the title Museum Gronovianum

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, pages 265-280

Opinion 240 Correction of an erroneous entry in the Official List of Generic Names in Zoology relating to the type species of the nominal genus Mabuya Fitzinger, 1826 (class Reptilia) (correction of an error in Opinion 92)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 1, pages 1-12

Opinion 241 Rejection for nomenclatorial Purposes of Nozeman & Vosmaer, 1758 Geslachten der Vogelen, a Dutch Translation of Moehring's Pre-Linnaean work entitled Avium genera published in 1752

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 2, pages 13-22

Opinion 242 Designation, under the Plenary Powers, of a type species for Echeneis Linnaeus, 1758 (class Pisces) in harmony with accustomed nomenclatorial usage (correction of an error in Opinion 92)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 3, pages 23-44

Opinion 243 Designation, under the Plenary Powers, for the nominal genus Carabus Linnaeus, 1758 (class Insecta, order Coleoptera) of a type species in harmony with current nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 4, pages 45-56

Opinion 244 Suppression, under the Plenary Powers, of the generic name Coriscus Schrank, 1796, for the purpose of validating the generic name Alydus Fabricius, 1803 (class Insecta, order Hemiptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 5, pages 57-70

Opinion 245 Designation, under the Plenary Powers, of a type species for the nominal genus Salda Fabricius, 1803 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 6, pages 71-80

Opinion 246 Designation, under the Plenary Powers, of a type species for the nominal genus Gastrodes Westwood, 1840 (class Insecta, order Hemiptera), in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 7, pages 81-90

Opinion 247 Designation, under the Plenary Powers, of a type species for the nominal genus Aquarius Schellenberg, 1800 (class Insecta, order Hemiptera), in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 8, pages 91-102

Opinion 248 Designation, under the Plenary Powers, of a type species for the nominal genus Bellocoris Hahn, 1834 (class Insecta, order Hemiptera), in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 9, pages 103-114

Opinion 249 Designation, under the Plenary Powers, of a type species for the nominal genus Beosus Amyot & Serville, 1843 (class Insecta, order Hemiptera), in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 10, pages 115-126

Opinion 250 Designation, under the Plenary Powers, of a type species for the nominal genus Catoplatus Spinola, 1837 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 11, pages 127-138

Opinion 251 Designation, under the Plenary Powers, of a type species for the nominal genus Dictyonota Curtis, 1827 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 12, pages 139-150

Opinion 252 Designation, under the Plenary Powers, of a type species for the nominal genus Oncotylus Fieber, 1858 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 13, pages 151-162

Opinion 253 Designation, under the Plenary Powers, of a type species for the nominal genus Pachylops Fieber, 1858 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 14, pages 163-174

Opinion 254 Designation, under the Plenary Powers, of a type species for the nominal genus Pilophorus Hahn, 1826 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 15, pages 175-186

Opinion 255 Designation, under the Plenary Powers, of a type species for the nominal genus Tetyra Fabricius, 1803 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 16, pages 187-198

Opinion 256 Emendation to Phlebotomus of the generic name Flebotomus Rondani, 1840 (class Insecta, order Diptera) under the Plenary Powers

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 17, pages 199-230

Opinion 257 Rejection for nomenclatorial Purposes of the work by Zimmermann (a. E. W. Von) published in 1777 under the title specimen Zoologiae Geographicae, Quadrupedum Domicilia Ei Migrationes Sistens and Acceptance for the same Purposes of the work by the same author Pubhshed in the period 1778 — 1783 under the title Geographische Geschichte des Menschen, und der Allgemein Verbreiteten Vierfussigen Thiere

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 18, pages 231-244

Opinion 258 Rejection for nomenclatorial Purposes of the work by Frisch (J. L.) published in 1775 under the title Das Natur-system der Vierfüssigen Thiere

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 19, pages 245-252

Opinion 259 Rejection of the names used by Mark Catesby in the Natural History of Carolina, as Republished by Edwards in the Edition of 1771, But Acceptance of names formed in accordance with the Linnean system Inserted by Edwards in that Edition

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 20, pages 253-264

Opinion 261 Rejection for nomenclatorial Purposes of the Index to the Zoophylacium Gronovianum of Gronovius prepared by Meuschen (F. C.) and published in 1781

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 22, pages 281-296

Opinion 262 Determination of the specific name of the Sand Crab (Opinion in replacement of Opinion 13)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 23, pages 297-328

Opinion 263 Designation, under the Plenary Powers, of a description to represent the lectotype of the nominal species Papilio podalirius Linnaeus, 1758 (class Insecta, order Lepidoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 24, pages 329-342

Opinion 264 Designation, under the Plenary Powers, of a figure to represent the lectotype of the nominal species Papilio iris Linnaeus, 1758 (class Insecta, order Lepidoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 25, pages 343-354

Opinion 265 Validation, under the Plenary Powers, of the specific names Aristolochiae Fabricius, 1775, as published in the combination Papilio Aristolochiae and Ascanius Cramer [1775], as published in the combination Papilio Ascanius (class Insecta, order Lepidoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 26, pages 355-366

Opinion 266 Determination of the species to which the specific name annulatum Dschunkowsky & Luhs, [1906], as published in the combination Piroplasma Annulatum (class Sporozoa, order Coccidiida) shall be Held to Apply

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 27, pages 367-386

Opinion 267 Rejection of a Proposal for the validation, under the Plenary Powers, of the generic name Porina Walker, 1856 (class Insecta, order Lepidoptera) by the suppression thereunder of the generic name Porina d'Orbigny, 1852 (class Bryozoa)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 28, pages 387-396

Opinion 268 Acceptance of the generic name Aspidoproctus (class Insecta, order Hemiptera) as from Newstead, 1901

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 5, issue 29, pages 397-408

Opinion 269 Validation, under the Plenary Powers, of the specific name idas Linnaeus, 1761, as published in the combination Papilio Idas, and determination of the species Represented by the nominal species Papilio idas Linnaeus, 1761, Papilio Argyrognomon Bergstrasser [1779], and Papilio argus Linnaeus, 1758 (class Insecta, order Lepidoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 1, pages 1-24

Opinion 270 Addition to the Official List of Generic Names in Zoology of the names of five nominal genera of Butterflies (class Insecta, order Lepidoptera), originally Established with misidentified type species, for which type species in harmony with accustomed usage Were designated under the Plenary Powers in 1935

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 2, pages 25-40

Opinion 271 Addition to the Official List of Generic Names in Zoology of the generic names Equus Linnaeus, 1758 (class Mammalia) and Aica Linnaeus, 1758 (class Aves) (Opinion supplementary to Opinion 16)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 3, pages 41-50

Opinion 272, designation, under the Plenary Powers, of a type species for the genus Taenia Linnaeus, 1758 (class Cestoidea) in harmony with accustomed nomenclatorial usage (validation of an error in Opinion 84)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 4, pages 51-62

Opinion 273 Suppression, under the Plenary Powers, of the Anonymous pamphlet known as the Hildesheim List published in About the Year 1840 and Containing Descriptions of New nominal species of Mammals and birds from Java

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 5, pages 63-74

Opinion 274 Addition of the name Calliphora Robineau-Desvoidy, 1830 (class Insecta, order Diptera) to the Official List of Generic Names in Zoology (Opinion supplementary to Opinion 82)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 6, pages 75-82

Opinion 275 Determination of the type species of the nominal genus Amplypterus Hübner [1819] (class Insecta, order Lepidoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 7, pages 83-94

Opinion 276 Rejection, as not being of subgeneric status, of the Intermediate Terms used by Hübner (J.) Between the generic and specific names of species in the first volume of the work entitled Sammlung Exotischer Schmetterunge, published in the period 1806 1823, and Also in the work entitled Systematisch-Alphabetisches Verzeichniss Aller Bisher Bei Den Fürbildungen Zur Sammlung Europäischer Schmetterlinge Amgegebenen Gattungsbennungen published in 1822

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 8, pages 95-118

Opinion 277 Validation, under the Plenary Powers, of the generic name Arachnoides Leske, 1778, and Echinarachnius Gray (J. E.), 1825 (class Echinoidea), and designation, under those Powers, of type species for the genera so Named

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 9, pages 119-134

Opinion 278 Addition to the Ojficial List of Generic Names in Zoology of the names of ten genera of the Sub-order Rhopalocera of the order Lepidoptera (class Insecta), species of which Were cited in the Undated leaflet commonly known as the Tentamen, prepared by Jacob Hiibner, which is believed to have been distributed to Correspondents in 1806, a leaflet rejected in Opinion 97

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 10, pages 135-178

Opinion 279 Rejection, as of the status of a generic name, of Any Term placed Between the generic name and the specific name of a species in the Zoological works of Linnaeus and Fabricius (J. C.) (Opinion supplementary to Opinion 124)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 11, pages 179-188

Opinion 280 Emendation to Hygrobia of the generic name Hygriobia Latreille, 1804 (class Insecta, order Coleoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 12, pages 189-204

Opinion 281 Validation, under the Plenary Powers, of the generic name Corixa Geoffroy, 1762 (class Insecta, order Hemiptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 13, pages 205-224

Opinion 282 Determination of the species to which the specific name plexippus Linnaeus, 1758, as published in the combination Papilio Plexippus (class Insecta, order Lepidoptera) shall be held to apply

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 14, pages 225-268

Opinion 283 Validation, under the Plenary Powers, of the generic and specific names commonly used for the Malignant Tertian Malaria Parasite and the Quartan Malaria Parasite respectively

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 7, issue 1, pages 1-225

Opinion 284 Validation, under the Plenary Powers, of the generic name Aphidius Nees, 1818 (class Insecta, order Hymenoptera) and designation of a type species for that Genus, in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 1, pages 1-14

Opinion 285 Acceptance of the generic name Leptopsylla Rothschild & Jordan, 1911 (class Insecta, order Siphonaptera) for the House-Mouse Flea

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 2, pages 15-28

Opinion 286 Suppression, under the Plenary Powers, of the specific name ajax Linnaeus, 1758, as published in the combination Papilio Ajax (class Insecta, order Lepidoptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 3, pages 29-48

Opinion 287 Validation, under the Plenary Powers, of the generic name Scaphander Montfort, 1810 (class Gastropoda, order Tectibranchiata)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 4, pages 49-62

Opinion 288 Suppression, under the Plenary Powers, of the generic name Monoculus Linnaeus, 1758 (Systematic Position Indeterminate) and matters incidental thereto

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 5, pages 63-72

Opinion 289 Acceptance of the type selection for the genus Rantus Dejean, 1833 (class Insecta, order Coleoptera) made by Hope in 1839 and emendation of the foregoing name to Rhantus

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 6, pages 73-88

Opinion 290 Validation, under the Plenary Powers, of the generic names Acantholyda Costa, 1894 (class Insecta, order Hymenoptera) and Acanthocnema Becker, 1894 (class Insecta, order Diptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 7, pages 89-98

Opinion 291 Addition of the names of Thirteen genera of the order Collembola (class Insecta) to the Official List of Generic Names in Zoology

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 8, pages 99-114

Opinion 292 Validation, under the Plenary Powers, of the generic name Cardinia (class Lamelhbranchiata) as from Agassiz (J. L. R.), [1841], for use in its accustomed sense

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 9, pages 115-130

Opinion 293 Validation, under the Plenary Powers, of the generic name Scyllarides Gill, 1898 (class Crustacea, order Decapoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 10, pages 131-142

Opinion 294 Validation, under the Plenary Powers, of the generic name Lysiosquilla Dana, 1852 (class Crustacea, order Stomatopoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 11, pages 143-154

Opinion 295 Validation, under the Plenary Powers, of the generic name Odontodactylus Bigelow, 1893 (class Crustacea, order Stomatopoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 12, pages 155-166

Opinion 296 Suppression, under the Plenary Powers, for nomenclatorial Purposes, of volume 3 (Regnum Lapideum) of the Twelfth Edition of the Systema Naturae of Linnaeus published in 1768 and of the Corresponding volume in the Houttuyn (1785), Gmelin (1793) and Turton (1806) editions of the above work

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 13, pages 167-178

Opinion 297 Validation, under the Plenary Powers, of the generic name Conchidium Oehlert, 1887 (class Brachiopoda) for use in its accustomed sense

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 14, pages 179-198

Opinion 298 Designation, under Tlie Plenary Powers, of a type species for the nominal genus Capsus Fabricius, 1803 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial Practice

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 15, pages 199-208

Opinion 299 Validation, under the Plenary Powers, of the generic names Tettigonia and Acrida in the order Orthoptera (class Insecta) as from Linnaeus, 1758 (ruling supplementary to the ruling given in Opinion 124)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 16, pages 209-236

Opinion 300 Validation, Nder the Plenary Powers, of the generic name Sphaeroceras Bayle, 1878 (class Cephalopoda, order Ammonoidea)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 17, pages 237-248

Opinion 301 Designation, under the Plenary Powers, of a type species for Procerites Siemiradzki, 1898 (class Cephalopoda, order Ammonoidea) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 18, pages 249-260

Opinion 302 Designation, under Tlie Plenary Powers, of a type species, for the genus Aulacostephanus Tornquist, 1896 (class Cephalopoda, order Ammonoidea) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 19, pages 261-272

Opinion 303 Designation, under the Plenary Powers, of type species in harmony with current usage for the nominal genera Kosmoceras, Perisphinctes and Harpoceras (class Cephalopoda, order Ammonoidea) Established by Waagen in 1869

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 20, pages 273-284

Opinion 304 Suppression, under the Plenary Powers, of five Early generic names for ammonites (class Cephalopoda, order Ammonoidea) now fallen Into desuetude

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 21, pages 285-296

Opinion 305 Suppression, under the Plenary Powers, of the generic name ammonites Bruguiere, 1789, and addition to the Official List of Generic Names in Zoology of the generic name Arietites Waagen, 1869 (class Cephalopoda, order Ammonoidea)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 22, pages 297-312

Opinion 306 Validation, under the Plenary Powers, of the generic name Arisphinctes Buckman, 1924 (class Cephalopoda, order Ammonoidea)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 23, pages 313-322

Opinion 307 Designation, under Tlie Plenary Powers, of a type species in harmony with accustomed usage for Arnioceras Hyatt, 1867 (class Cephalopoda, order Ammonoidea), a genus based upon a misidentified type species

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 24, pages 323-334

Opinion 308 Designation, under the Plenary Powers, of a type species in harmony with accustomed usage for Liparoceras Hyatt, 1867 (class Cephalopoda, order Ammonoidea), a genus based upon a misidentified type species

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 25, pages 335-344

Opinion 309 Designation, under the Plenary Powers, of a type species in harmony with accustomed usage for Normannites Munier-Chalmas, 1892 (class Cephalopoda, order Ammonoidea), a genus based upon a misidentified type species

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 26, pages 345-354

Opinion 310 Validation, under the Plenary Powers, of the specific name virgula Deshayes, 1831, as published in the combination Gryphaea Virgula (class Pelecypodar (Jurassic)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 27, pages 355-364

Opinion 311 Validation, under the Plenary Powers, of the specific name asper Lamarck, 1819, as published in the combination Pecten Asper (class Pelecypoda)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 28, pages 365-374

Opinion 312 Validation, under the Plenary Powers, of the name Amoeba Coli as from Grassi, 1879, to be the name for the Large Non-Dysenteric Amoeba of man and the designation of that species to be the type species of the genus Entamoeba Casagrandi «Fe Barbagallo, 1895, and Designa Tion under the same Powers of the name Entamoeba histolytica Schaudinn, 1903, to be the name for the Dysenteric Amoeba of man (class Rhizopoda) {Opinion Substituted for Opinion 99)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 1, pages 1-60

Opinion 313 Designation, under the Plenary Powers, of a type species for the genus Eysarcoris Hahn, 1834 (class Insecta, order Hemiptera) in harmony with accustomed nomenclatorial usage

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 2, pages 61-70

Opinion 314 Validation, under the Plenary Powers, of the specific name acuminata Loff & Tiflov, 1946, as published in the combination Rhadinopsylla (Rectofrontia) Acuminata, as Applied to the species Numbered "66" by those Authors (class Insecta, order Siphonaptera)

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 3, pages 71-80

Opinion 315 Addition of the generic name Spirula Lamarck, 1799 (class Cephalopoda) to the Official List of Generic Names in Zoology

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 4, pages 81-90

Opinion 316 Rejection for nomenclatorial Purposes of the Tavola Alfabetica Delle Conchiglei Adriatiche and Prospetto Della Classe Dei Vermi of S. A. Renier commonly attributed to the Year 1804

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 5, pages 91-106

Opinion 317 Addition of the name Cercopis Fabricius, 1775 (class Insecta, order Hemiptera) to the Official List of Generic Names in Zoology

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 6, pages 107-118

Opinion 318 Addition to the Official Indexes of Rejected and Invalid names in Zoology of the names for three nominal genera and for Fourteen nominal species of the class Pelecypoda included in a Paper by La Rocque (a.) distributed in microfilm in 1948

Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 9, issue 8, pages 119-130