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Third addition to a knowledge of the batrachia and reptilia of Costa Rica

Published in Proc. Acad. Nat. Sci. Philadelphia, in 1894, in volume 1894, pages 194-206

On a collection of Batrachia and Reptilia from southwest Missouri

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1894, in volume 45, pages 383-385

List of the Diptera of Jamaica with descriptions of new species

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1894, in volume 1894, pages 271-281

List of Port Jackson chitons collected by Dr J.C. Cox, with a revision of Australian Acanthochitidae

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 69-88

Tanais robustus, a new species of Anisopoda

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 90-94

February 20

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 61

July 10

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 207

March 27

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 95

November 27

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 417-418

April 3

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 110

The Differential Action of Certain Muscles Passing More than One Joint

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 172-180

A Contribution to the Life History of the Allegheny Cave Rat, Neotoma magister Baird

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 213-221

A Proposed Classification of the Fossorial Hymenoptera of North America

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 292-307

Recent Mound Exploration in Ohio

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 308-321

Contributions to the Life-Histories of Plants, No. X

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 53-59

Report of the Ornithological Section

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 478-479

Descriptions of a New Subgenus and New Species of Arvicoline Rodents from British Columbia and Washington

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 282-288

October 30

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 291

August 28

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 222

Further Notes on the Embryonic Whorls of the Muricidæ

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 223-224

On the True Character and Relationships of Ursus cinnamomeus Aud. and Bach

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 119-129

A Review of the Old World Ballinæ

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 130-149

Some Notes from a Study of the Provancher Collection of Ichneumonidæ

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 184-190

The Changes Which Take Place in the Skull, Coincident with Shortening of the Face-Axis

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1894, in volume 46, pages 181-183

A new species of the isopod genus Bathynomus

Published in Proc. Acad, nat. Sci. Phila, in 1894, in volume 46, pages 191-193