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Notes on fishes from the Isthmus of Panama, collected by Dr. J. F. Bransford, U.S. N

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1877, in volume 28, pages 335-339

On Astrophyllite, Arfvedsonite, and Zircon

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 9-11

Anthracite from "Third-Hill Mountain," West Virginia

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 16-17

On the Diaphragm

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 20

On Certain Generic Names Proposed by Zittel, Stoliczka, and Zekeli

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 22-23

Unionidæ of Ohio and Alabama

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 26-36

February 13

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 37

On the Habits of Quiscalus purpureus

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 38

On the genera of North American freshwater fishes

Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1877, in volume 29, pages 83-104

Evolutionary Law as Illustrated by Abnormal Growth in an Apple Tree

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 132-133

April 10

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 145

On Intestinal Parasites of Termes flavipes

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 146-149

April 24

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 150-151

On the Cambari of Northern Indiana

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 171-174

Synopsis of the Fishes of Lake Nicaragua

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 175-191

On the Placenta of a Monkey

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 194

On Enstatite

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 198-199

Notes on the Natural History of Fort Macon, N. C., and Vicinity. (No. 3)

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 203-218

Mineralogical Notes

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 276

On Strengite from Rockbridge Co., Va

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 277-278

August 28

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 279

On the Distribution of Plants

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 285-286

September 25

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 286

Apparent Discriminative Power in the Selection of Food by a Heliozoon

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 291-292

On Helminthophaga leucobronchialis (Brewster)

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 292

On Fossil Fishes

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 294

On a New Species of Helix from Texas

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 297-298

The Agricultural Ants of Texas

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 299-304

Remarks on the American Species of Difflugia

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 306-308

On the Introduction and Disappearance of Plants

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 319-320

Circumspection of Ants

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 320

Rhizopods in an Apple-Tree

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 321

Report of Recording Secretary

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 329-330

Report of the Biological and Microscopical Section

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 343-345

Report of the Conservator of Entomological Section

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 349-351

Report of the Botanical Section

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 351-355

On painted turtles

Published in Proc. Acad. Nat. Sci. Philadelphia, in 1877, in volume 1877, pages 199-200