CONTENTS. 



Chapman, Henry C, M. D., and Albert P. Brubaker, M. D. The Ra- 

 dius of Curvatures of the Cornea. (Continued.) 361 



Rex, George A., M. D. North American Myxomyeetes 364 



Goldsmith, E. A Tempered Steel Meteorite. (Plate IX.) 373 



Calvert, Philip P. The Odonate Genus Ortholestes 377 



Cope, Edward D. On a Collection of Batrachia and Reptilia from South- 

 west Missouri . 383 



Cope, Edward D. On the Batrachia and Reptilia of the Plains of Lati- 

 tude 36° 30 v ;'..." 386 



Sterki, V. Growth Changes in the Radula in Land Mollusks. (Plates 



Xand XI.) 388 



Cope, Edward D. Fossil Fishes from British Columbia . 401 



Report of the Committee on the Hayden Memorial Geological Award . . 403 



Pilsbry, Henry A. Thysanophora coloba, n. sp 403 



Rhoads, Samuel N. Descriptions of new species of North American 



Mammals with remarks on species of the Genus Peroganthus. . . . 404 

 Rhoads, Samuel X. Geographic Variations in Bassariscus astutus with 



descriptions of a new subspecies 413 



Moore, J. Percy. On some Leech-like Parasites of American Crayfishes. 



(Plate XII.) 419 



Brown, Arthur Erwin. Notes on some Snakes from Tropical America 



lately living in the Collection of the Zoological Society of Phila. . 429 

 Cope, Edward D. Heredity in the Social Colonies of the Hymenoptera. 

 Ellis, J. B. and B. M. Everhart. New species of Fungi from various 



localities *^0 



Fox, Wm. J. The North American Larridse 467 



Report of the Recording Secretary 552 



Report of the Corresponding Secretary 555 



Report of the Librarian 556 



Report of the Curators , • 558 



Report of the Biological and Microscopical Section 563 



Report of the Conchological Section 563 



Report of the Entomological Section 565 



Report of the Botanical Section 566 



Report- of the Mineralogical and Geological Section 566 



Report of the Ornithological Section 567 



Report of the Professor of Invertebrate Paleontology 568 



Report of the Professor of Ethnology and Archaeology . . ' 570 



Report of the Professor of the Lower Invertebrate. 570 



Report of the Professor of Histology and Microscopic Technology .... 571 



Report of Curator of the Wm. S. Vaux Collections 571 



Officers, Councillors and Members of the Finance Committee for 1894 . . 572 



Elections during 1893 572 



Additions to the Museum 574 



Index to Genera 583 



General Index 590 



Ma 



