NATURAL SCIENCES OP PHILADELPHIA. 



19 



Pursuant to the By-Laws, an election of members of the Standing 

 Committees for 1862 was held; and a Librarian was also elected, as 

 follows : 



[ETHNOLOGY. 

 J. A. Meigs, 



S. S. Haldeman, g 



I. I. Hayes. 



COMP. ANAT. $ GEN. ZOOLOGY. 

 J. Leidy, 

 J. M. Corse, 

 J. H. Slack. 



MAMMALOGY. 



J. H. Slack, 

 John Cassin, 

 J. L. Le Conte. 



ORNITHOLOGY. 

 John Cassin, 



S. W. WoODHOUSE, 



J. H. Slack. 



HERPETOL OGY$ ICHTHYOLOG Y. 

 E. D. Cope, 

 R. Bridges, 

 J. C. Morris. 



CONCHOLOGY. 

 T. A. Conrad, 

 W. G. Binney, 

 G. W. Tryon, jr. 



ENTOMOL OGYAND CR USTA CEA . 

 R. Bridges, 

 Samuel Lewis, 

 E. T. Cresson, 



BOTANY. 

 E. DURAND, 



Joseph Carson, 

 Aubrey H. Smith. 



GEOLOGY. 

 Isaac Lea, 

 Charles E. Smith, 

 J. P. Lesley. 



MINERALOGY. 

 Wm. S. Vaux, 

 J. C. Trautwine, 

 T. D. Rand. 



PALEONTOLOGY. 

 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. 

 Robert Bridges, 

 Joseph Leidy, 

 Wm. S. Vaux, 

 John Cassin, 

 Thomas Stewardson. 



LIBRARIAN. 



J. Dickinson Sergeant. 



1862.] 



