NATURAL SCIENCES OF rniLADELPUIA. 



The following officers were then elected for the ensuing year. 



President, 

 George Ord. 



Vice Presidents^ 

 Robert Bridges, Isaac Lea. 



Corresponding Secretary, 

 John L. LeConte. 



Recording Secretary, 

 B. Howard Rand. 



Librarian, 

 J. Aitken Meigs. 



Treasurer, 

 George W. Carpenter. 



Curators, 

 Jos. Lcidy, W. S. Vaux, 



Samuel Ashmead. John Cassin, 



Auditors, 



Jos. Jeanes, Saml. Ashmead, 



W. S. Vaux. 



Publication Committee, 

 W. S. Vaux, Robert Bridges, 



Jos. Leidy, Isaac Lea, 



W. §1. W. Ruschenberger, 



1857.] 



