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New neuropteroid insects native and exotic

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1915, in volume 66, pages 608-632

Created: 2010-11-20, modified: 2021-04-05

Miocene fossil insects

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 66, pages 634-648

Created: 2012-05-30, modified: 2012-05-30

Observations sur la théorie générale des phénomènes glaciaires et sur les galets striés

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 2-24

Created: 2013-03-03, modified: 2013-03-03

A new classification of the Ophiuroidea: with descriptions of new genera and species

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 43-92

Created: 2010-11-20, modified: 2011-06-21

March 16

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 93-95

Created: 2013-03-02, modified: 2013-03-02

Fixation of single type (Lectotypic) specimens of species of American Orthoptera (described by Morse)

Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1915, in volume 67, pages 96-106

Created: 2011-06-02, modified: 2021-04-05

The Reptiles

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 108-192

Created: 2013-03-02, modified: 2013-03-02

Notes on nematognathous fishes

Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1915, in volume 67, pages 203-243

Created: 2010-02-09, modified: 2021-04-05

Cold-blooded vertebrates from Florida, the West Indies, Costa Rica, and eastern Brazil

Published in Proceed ings of the Academy of Natural Sciences, Philadelphia, in 1915, in volume 67, pages 244-269

Created: 2010-02-09, modified: 2021-04-05

A further contribution to the knowledge of the Orthoptera of Argentina

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 270-292

Created: 2010-02-18, modified: 2021-04-05

The genus Gryllus (Orthoptera) as found in America

Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1915, in volume 67, pages 293-322

Created: 2011-06-02, modified: 2021-04-05

Théorie du gneiss et des terrains cristallophylliens en général

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 351-362

Created: 2013-03-02, modified: 2013-03-02

The Diversity of Ecologic Conditions and Its Influence on the Richness of Floras

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 419-425

Created: 2013-03-02, modified: 2013-03-02

New or little-known crane-flies from the United States and Canada: Tipulidae, Diptera. Part. 2

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 458-514

Created: 2010-10-26, modified: 2021-04-05

The Fishes of Trinidad, Grenada, and St. Lucia, British West Indies

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 520-546

Created: 2013-03-02, modified: 2013-03-02

Elections in 1915

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1915, in volume 67, pages 592

Created: 2013-03-02, modified: 2013-03-02

Notes on the water snake Natrix compressicauda

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1915, in volume 1915, pages 29-35

Created: 2011-06-01, modified: 2021-04-05