Some butterflies from eastern VirginiaPublished in Jour Washington Acad Sci, in 1936, in volume 26, pages 66-70Created: 2014-01-30, modified: 2014-01-30
Butterflies from VirginiaPublished in Proceedings of The Biological Society of Washington, in 1939, in volume 52, pages 177-183Created: 2011-07-31, modified: 2011-07-31
Notes on Virginia butterfliesPublished in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 177-181Created: 2011-07-31, modified: 2011-07-31
Photography for entomologistsPublished in Entomologist's Record London, in 1906, in volume 18, pages 193-195Created: 2016-09-01, modified: 2016-09-01
Observations on the genera Leila and AnodontitesPublished in Nautilis, in 1922, in volume 36, pages 7-10Created: 2013-09-28, modified: 2013-09-28
Preliminary list of the butterflies of VirginiaPublished in Proceedings of The Biological Society of Washington, in 1937, in volume 50, pages 87-91Created: 2011-07-31, modified: 2011-07-31
Proechimys albispinus minor, a new subspecies from the state of Bahia, northeastern Brazil (Rodentia: Echimyidae)Published in Zeitschrift Fuer Saeugetierkunde, in 1995, in volume 60, pages 237-242Created: 2014-07-30, modified: 2014-07-30
Ferns of the Red River country, MainePublished in Rhodora, in 1930, in volume 32, issue 379, pages 133-136Created: 2014-06-16, modified: 2016-07-26
Clark on the Classification of BirdsPublished in The Auk, in 1902, in volume 19, pages 95-96Created: 2013-03-08, modified: 2013-03-08
Butterflies from Virginia and the District of ColumbiaPublished in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 1-6Created: 2011-07-31, modified: 2011-07-31
NEW COMBINATIONS IN ARTEMISIA (ASTERACEAE: ANTHEMIDEAE)Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1637-1639Created: 2015-12-02, modified: 2015-12-02
A new species of spiny rat genus Proechimys, subgenus Trinomys (Rodentia: Echimyidae)Published in Zeitschrift Fuer Saeugetierkunde, in 1992, in volume 57, pages 39-46Created: 2014-07-30, modified: 2014-07-30
A new subspecies of Proechimys iheringi Thomas (Rodentia: Echimyidae) from the state of Rio de Janeiro, BrazilPublished in Zeitschrift fuer Saeugetierkunde, in 1993, in volume 58, issue 3, pages 181-190Created: 2014-08-03, modified: 2014-08-03
Summer Occurrence of Holboell's Grebe in OhioPublished in The Wilson Bulletin, in 1944, in volume 56, issue 3, pages 169Created: 2016-12-04, modified: 2016-12-04
Carnivora (Mammalia) from Lemudong'o (Late Miocene: Narok District, Kenya)Published in Kirtlandia, in 2007, in volume 56, pages 121-139Created: 2016-11-04, modified: 2016-11-04
Cranial infraspecific differentiation in Proechimys iheringi Thomas (Rodentia: Echimyidae)Published in Zeitschrift für Säugetierkunde, in 1991, in volume 56, pages 34-40Created: 2016-08-03, modified: 2016-08-03
Baccharis sect. Caulopterae (Asteraceae, Astereae) no Rio Grande do Sul, BrasilPublished in Rodriguésia, in 2009, in volume 60, issue 4, pages 943-983Created: 2016-07-17, modified: 2016-07-17
Bacular Variation in the subgenus Trinomys, genus Proechimys (Rodentia: Echimyidae)Published in Zeitschrift für Säugetierkunde, in 1992, in volume 57, pages 100-102Created: 2016-08-03, modified: 2016-08-03
Some echinoderms from Biak, Schouten IslandsPublished in Journal of The Washington Academy of Sciences, in 1948, in volume 38, pages 143-144Created: 2014-01-30, modified: 2014-01-30
REDUCTION IN LIGHT REFLECTANCE OF LEAVES OF ENCELIA DENSIFOLIA (ASTERACEAE) BY TRICHOME WETTINGPublished in Madroño, in 1989, in volume 36, issue 3, pages 180-186Created: 2016-02-15, modified: 2016-07-07
Notes on Trichorhina I. Two new species from northeastern Brazil (Isopoda, Oniscidea, Platyarthridae)Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 197-210Created: 2013-02-11, modified: 2023-02-16
Trophic preferences of three soil macroarthropods (preliminary study)Published in Mémoires du Muséum national d'histoire naturelle, in 1996, in volume 169, pages 577-584Created: 2019-10-06, modified: 2019-10-06
Clark on New Birds from St. Vincent, W. IPublished in The Auk, in 1905, in volume 22, pages 228Created: 2013-03-08, modified: 2013-03-08
The first stage zoea of Pseudoliomera speciosa (Dana, 1852) (Crustacea, Decapoda, Brachyura, Xanthidae)Published in Zoosystema, in 1998, in volume 20, issue 2, pages 193-200Created: 2018-06-24, modified: 2020-05-07
Clark, Henry J. Sept. 13, 1849Published in Asa Gray correspondence. Senders Ca-Cl, in 1849, pages 1-3Created: 2017-06-24, modified: 2017-06-24
Clark on the Pterylography of North American Goatsuckers and OwlsPublished in The Auk, in 1895, in volume 12, pages 287-288Created: 2013-03-08, modified: 2013-03-08
Clark on New Birds from Eastern Asia and the Aleutian IslandsPublished in The Auk, in 1907, in volume 24, pages 453Created: 2013-03-08, modified: 2013-03-08
CaliforniaPublished in Madroño, in 2006, in volume 53, pages 85-86Created: 2016-02-15, modified: 2016-07-07
On the Toxic Effect of Deleterious Agents on the Germination and Development of Certain Filamentous FungiPublished in Botanical Gazette, in 1899, in volume 28, issue 5, pages 289-327Created: 2017-03-14, modified: 2017-03-14
Novelties in Musineon (Apiaceae) and Orthocarpus (Orobanchaceae) in the Northern Wasatch Mountains of Utah and IdahoPublished in Madroño, in 2018, in volume 65, issue 1, pages 60-64Created: 2024-06-16, modified: 2024-06-16
Variação ontogenética e sexual em caracteres cranianos de Kerodon rupestris Wied, 1820 (Rodentia, Caviidae)Published in Arquivos Do Museu Nacional, in 2005, in volume 63, issue 3, pages 599-618Created: 2018-12-23, modified: 2018-12-23
Clark, William B. [c. 1890] [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, pages 1Created: 2017-06-24, modified: 2017-06-24
Clark on the Amount of Difference That Should Characterize Species and SubspeciesPublished in The Auk, in 1905, in volume 22, pages 429-434Created: 2013-03-08, modified: 2013-03-08
Chromosomal characterization of taxa of the genus Trinomys Thomas, 1921 (Rodentia: Echimyidae) in the states of Rio de Janeiro and São PauloPublished in Arquivos Do Museu Nacional, in 2005, in volume 63, issue 1, pages 161-168Created: 2018-12-16, modified: 2018-12-16
On the Toxic Effect of Deleterious Agents on the Germination and Development of Certain Filamentous Fungi (Concluded)Published in Botanical Gazette, in 1899, in volume 28, issue 6, pages 378-404Created: 2017-03-14, modified: 2017-03-14
Lake Maxinkuckee. A Physical and Biological Survey by Barton Warren Everman, Howard Walton ClarkPublished in The Wilson Bulletin, in 1921, in volume 33, issue 3, pages 159Created: 2016-11-27, modified: 2016-11-27
Biogeografia de Baccharis sect. Caulopterae (Asteraceae) no Rio Grande do Sul, BrasilPublished in Rodriguésia, in 2007, in volume 58, issue 4, pages 787-796Created: 2016-08-14, modified: 2016-08-14
Clark, Josephine A. Oct. 4, 1891 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Clark, Josephine A. Nov. 6, 1891 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Clark, Josephine A. Nov. 10, 1891 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Clark, William B. Oct. 2, 1890 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Clark, William B. Oct. 7, 1890 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Clark, William B. Oct. 11, 1890 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Clark, William B. Oct. 14, 1890 [to S. Watson]Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2Created: 2017-06-24, modified: 2017-06-24
David Clark HiltonPublished in The Wilson Bulletin, in 1951, in volume 63, issue 3, pages 218Created: 2016-12-04, modified: 2016-12-04
A New Species of Micraira (Poaceae: Micraireae) from northern Western AustraliaPublished in The Beagle, in 1995, in volume 12, pages 1-7Created: 2018-05-07, modified: 2018-05-07
Notes on, and new species of, American moths of the genus Filatima Busck (Gelechiidae: Lepidoptera)Published in Jour Washington Acad Sci, in 1947, in volume 37, pages 263-275Created: 2014-01-30, modified: 2014-01-30
COLUMNEA PYGMAEA (GESNERIACEAE), A NEW SPECIES FROM NORTHWESTERN ECUADORPublished in Journal of The Botanical Research Institute of Texas, in 2011, in volume 5, issue 1, pages 87-95Created: 2025-06-17, modified: 2025-06-17
Variação geográfica em caracteres cranianos quantitativos de Kerodon rupestris (Wied, 1820) (Rodentia, Caviidae)Published in Arquivos Do Museu Nacional, in 2005, in volume 63, issue 1, pages 75-88Created: 2018-12-16, modified: 2018-12-16
Clark on Birds Collected or Observed in the North Pacific Ocean and Adjacent SeasPublished in The Auk, in 1910, in volume 27, pages 357-358Created: 2013-03-08, modified: 2013-03-08