OFFICERS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA, 



FOR 1852. 



PRESIDENT. 

 GEORGE ORD. 



VICE-PRESIDENTS. 



JOHN PRICE WETHERILL, 

 ROBERT BRIDGES, M. D. 



CORRESPONDING SECRETARY. 



JOHN CASSIN. 



RECORDING SECRETARY. 

 B. HOWARD RAND, M. D. 



LIBRARIAN. 

 WM. S. ZANTZINGER, M. D. 



TREASURER. 

 GEORGE W. CARPENTER. 



CURATORS. 



JOSEPH LEIDY, M. D. 

 WILLIAM S. VAUX, 

 SAMUEL ASHMEAD, 

 JOHN CASSIN. 



AUDITORS. 



WILLIAM S. VAUX, 

 SAMUEL ASHMEAD, 

 ROBERT PEARSALL. 



COMMITTEE OP PUBLICATION. 



WILLIAM S. VAUX, 



ROBERT BRIDGES, M. D. 



THOMAS B. WILSON, M. D. 



ISAAC LEA, 



W. S. W. RUSCHENBERGER, M.D. 



