16 



OFFICERS 



OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA, 



FOR 1857. 



PRESIDENT. 



GEORGE ORD. 



VICE-PRESIDENTS. 



ROBERT BRIDGES, M. D., 

 ISAAC LEA. 



CORRESPONDING SECRETARY. 



JOHN L. LE CONTE, M. D. 



RECORDING 6ECEETAET. 



B. HOWARD RAND, M. D. 



LIBRAKIAN. 



J. AITKEN MEIGS, M. D. 



TREASURER. 



GEORGE W. CARPENTER. 



CURATORS. 



JOSEPH LEIDY, M. D., 

 WILLIAM S. VAUX, 

 SAMUEL ASHMEAD, 

 JOHN CASSIN. 



AUDITORS. 



ROBERT PEARSALL, 

 SAMUEL ASHMEAD, 

 WILLIAM S. VAUX. 



