J G Jeffreys

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The deep-sea dredging expedition in H.M.S. Procupine

Authors: J G Jeffreys

Published in Nature (London), in 1869, in volume 1, pages 135-136

Created: 2017-10-13, modified: 2017-10-13

Fourth report on dredging among the Shetland Islands

Authors: J G Jeffreys

Published in Annals and Magazine of Natural History, in 1867, in volume 20, pages 247-254

Created: 2010-11-22, modified: 2011-09-21

Dutch Mollusca

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1881, in volume 8, pages 446-448

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938109487489

Mediterranean Mollusca

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1883, in volume 12, pages 67

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938309459578

Cyclas lacustris, draparnaud

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 18, pages 74

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697586

A Synopsis of the Testaceous Pneumonobranchous Mollusca of Great Britain

Authors: J G Jeffreys | L W Dillwyn

Published in Transactions of The Linnean Society of London, in 1830, in volume 16, pages 323-391

Created: 2010-01-06, modified: 2011-06-21

doi:10.1111/j.1095-8339.1829.tb00139.x

Note on Argiope capsula

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1880, in volume 6, pages 406-407

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938009458965

Food of oceanic animals

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1870, in volume 5, pages 144-145

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222937008696124

On the Mollusca procured during the 'Lightning' and 'Porcupine' Expeditions, 1868-70, Part 5

Authors: J G Jeffreys

Published in Proceedings of the Zoological Society of London, in 1883, in volume 1882, pages 656-687

Created: 2010-11-22, modified: 2011-06-21

Further gleanings in British Conchology

Authors: J Gwyn Jeffreys

Published in Annals and Magazine of Natural History, in 1859, in volume 3, pages 30-43

Created: 2010-05-02, modified: 2011-10-03

Further gleanings in British Conchology

Authors: J Gwyn Jeffreys

Published in Annals and Magazine of Natural History, in 1859, in volume 3, pages 106-120

Created: 2010-05-02, modified: 2011-10-03

XIV.—Gleanings in British conchology

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1858, in volume 2, issue 8, pages 117-133

Created: 2010-05-02, modified: 2016-12-08

doi:10.1080/00222935808696993

V.—Gleanings in British Conchology

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1858, in volume 1, issue 1, pages 39-48

Created: 2010-05-02, modified: 2016-12-08

doi:10.1080/00222935808696868

A new British Land-Shell

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1870, in volume 5, pages 385

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222937008696179

A last word on Scissurella

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 18, pages 188-189

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697616

V.—Notes on Swiss Mollusca

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1855, in volume 15, pages 20-34

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/037454809495385

XLIV.—On Scissurella and Schismope

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 17, pages 470-471

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697556

Procedings zoolog. Society of London. 1877

Authors: E A Smith | G Fr Angas | John Grwyn Jeffreys

Published in Malakozoologische Blätter, in 1879, in volume 1, pages 47-49

Created: 2026-09-06, modified: 2026-09-06

XL.—On some British freshwater shells

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1869, in volume 4, pages 341-342

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222936908696067

XXVII.—The Mollusca of St. Helena

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1872, in volume 9, pages 262-264

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222937208696579

V.—Additional notices of British shells

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1847, in volume 20, pages 16-19

Created: 2011-09-30, modified: 2011-09-30

doi:10.1080/037454809496005

XX.—Additional gleanings in British conchology

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1859, in volume 4, pages 189-201

Created: 2011-09-27, modified: 2011-09-27

doi:10.1080/00222935908697108

XXVI.—Note on the genus Scissurella

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 17, pages 319-322

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697517

XXXIII.—Descriptions and notices of British Shells

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1847, in volume 19, pages 309-314

Created: 2011-09-30, modified: 2011-09-30

doi:10.1080/037454809496475

Note on the genera Amphipeplea and Assiminea

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1866, in volume 17, pages 309

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222936608679533

XLIX.—Report on dredging among the Hebrides

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1866, in volume 18, pages 387-397

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222936608679666

XLII.—Contribution to the Conchology of France

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 18, pages 471-472

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697674

XII.—Note on the descent of glaciers

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1855, in volume 16, pages 122-124

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/037454809495492

Note on Clausilia plicatula and C. Mortilleti

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 18, pages 185-186

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697610

XLIX.—Mediterranean Mollusca (No. 3) and other invertebrata

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1883, in volume 11, pages 393-401

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938309459174

XL.—Notice of an undescribed peculiarity in Teredo

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1860, in volume 6, pages 289-291

Created: 2011-09-27, modified: 2011-09-27

doi:10.1080/00222936008697326

XLIV.—On the Mollusca of the upper Harz

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1860, in volume 6, pages 348-350

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222936008697338

XXXVI.—On the recent species of Odostomia, a genus of gasteropodous mollusks inhabiting the seas of Great Britain and Ireland

Authors: J G Jeffreys

Published in Annals And Magazine of Natural History, in 1848, in volume 2, pages 330-351

Created: 2011-09-27, modified: 2011-09-27

doi:10.1080/03745485809494722

XXXVII.—Last report on dredging among the Shetland Isles

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1868, in volume 2, pages 298-316

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222936808695806

XLI.—Notes on some British land and freshwater shells

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1878, in volume 2, pages 377-382

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222937808682441

XIV.—On the marine Testacea of the Piedmontese coast

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1856, in volume 17, pages 155-188

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222935608697486

XXII.— On some new and remarkable North-Atlantic Brachiopoda

Authors: J Gwyn Jeffreys

Published in Annals and Magazine of Natural History, in 1876, in volume 18, issue 105, pages 250-253

Created: 2015-01-29, modified: 2015-01-29

doi:10.1080/00222937608682037

European marine Mollusca: notes on less well-known species. 7. Daronia exquisita (Jeffreys, 1883)

Authors: J J Van Aartsen | F Carrozza

Published in Bollettino Malacologico, in 1984, in volume 19, issue 9-12, pages 219-226

Created: 2016-06-27, modified: 2016-06-27

Iphitus Jeffreys, 1883, un sinonimo di Stylotrochus G. Seguenza, 1876 (Appunti di malacologica Neogenica: 1)

Authors: Luca Bertolaso | Stefano Palazzi

Published in Bollettino Malacologico, in 1994, in volume 29, issue 9-12, pages 286-290

Created: 2016-06-27, modified: 2016-06-27

XXXVIII.—The deep-sea Mollusca of the Bay of Biscay

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1880, in volume 6, pages 315-319

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938009458943

British Conchology by John Gwyn Jeffreys

Authors: August Gysser

Published in Malakozoologische Blätter, in 1865, in volume 12L, pages 36-41

Created: 2026-09-03, modified: 2026-09-03

On the Mollusca procured during the ‘Lightning’ and Porcupine' Expeditions

Authors: J Gwyn Jeffreys

Published in Proceedings of The Zoological Society of London, in 1883, in volume 1883, pages 88-116

Created: 2012-10-01, modified: 2012-10-01

doi:10.1111/j.1469-7998.1883.tb06645.x

XIV.—Note in answer to Mr. Clark's remarks on Lepton sulcatulum

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1860, in volume 5, pages 131-132

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222936008697188

European marine Mollusca: notes on less well-known species. 9. Pteromeris jozinae spec. nov. (=Cardita incurva Jeffreys nom. nud.)

Authors: J J Van Aartsen

Published in Bollettino Malacologico, in 1985, in volume 20, issue 9-12, pages 289-292

Created: 2016-06-27, modified: 2016-06-27

Cerithiopsis nana (Jeffreys, 1867) living on Suberites

Authors: Stefano Palazzi

Published in Bollettino Malacologico, in 1994, in volume 30, issue 1-4, pages 79-80

Created: 2016-06-27, modified: 2016-06-27

XXXVI.—The Mollusca of Europe compared with those of Eastern North America

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1872, in volume 10, pages 237-247

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222937208696692

XXXII.—Remarks on certain species of mollusca described and figured in the ‘Microdoride Mediterranea’ of Prof. O. G. Costa. (Communicated by J. Gwyn Jeffreys, F.R.S.)

Authors: Marquis De Monterosato

Published in Annals And Magazine of Natural History, in 1873, in volume 12, pages 251-252

Created: 2011-09-28, modified: 2011-09-28

doi:10.1080/00222937308680750

On the Mollusca procured during the ‘Lightning’ and ‘Porcupine’ Expeditions, 1868-70

Authors: J Gwyn Jeffreys

Published in Proceedings of The Zoological Society of London, in 1881, in volume 1881, pages 922-952

Created: 2012-10-01, modified: 2012-10-01

doi:10.1111/j.1096-3642.1881.tb01351.x

VII.—On a new species of Chiton lately found on the British Coasts

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1880, in volume 6, pages 33-35

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938009458892

XLV.—Additional list of the deep-sea Mollusca of the Bay of Biscay

Authors: J Gwyn Jeffreys

Published in Annals And Magazine of Natural History, in 1880, in volume 6, pages 374-375

Created: 2011-09-29, modified: 2011-09-29

doi:10.1080/00222938009458954