20 



PROCEEDINGS OF THE ACADEMY OP 



CO MP. AN AT. AND GEN. ZOOLOGY. 

 JosEpn Leidy, 

 J. M. Corse, 

 J. H. Slack. 



MAMMALOGY. 

 J. H. Slack, 

 John Cassin, 

 J. L. LeConte. 



ORNITHOLOGY. 

 John Cassin, 

 S. W. Woodhouse, 

 J. H. Slack. 



HERPETOLOGY $ ICHTHYOLOGY. 

 E. D. Cope, 

 R. Bridges, 

 J. C. Morris. % 



CONCHOLOGY. 

 T. A. Conrad, 

 W. G. Binney, 

 G. W. Tryon, Jr. 



ENTOMOLOGY AND CRUSTACEA. 

 R. Bridges, 

 E. T. Cresson, 

 J. F. Knight. 



GEOLOGY. 

 Isaac Lea, 

 Charles E. Smith, 

 J. P. Lesley. 



MINERALOGY. 

 Wm. S. Vaux, 

 J. C. Trautwine, 

 T. D. Rand. 



PALAEONTOLOGY. 



Joseph Leidy, 

 T, A. Conrad, 

 J. L. Le Conte. 



PHYSICS. 

 B. Howard Rand, 

 Wm. M. Uhler, 

 R. E. Rogers. 



LIBRARY. 

 Wm. S. Vaux, 

 Joseph Leidy, 

 Joseph Jeanes. 



PROCEEDINGS. 

 Joseph Leidy, 

 Wm. S. Vaux, 

 John Cassin, 

 Thomas Stewardson, 

 Robert Bridges. 



February 2d. 



Vice-President Vaux in the Chair. 



Twenty-one members present. 

 The following were presented for publication : 

 " Synoptical List of the Grouse," &c. By D. G. Elliott. 

 "Synonymy of the Species of Strepomatidae, No. 2." By Geo. W. 

 Tryon, Jr. 



February 9th. 

 Vice-President Bridges in the Chair. 

 Seventeen members present. 



February lQth. 

 Vice-President Bridges in the Chair. 

 Twenty-two members present. 



[Feb. 



