1920.] NATURAL SCIENCES OF PHILADELPHIA. 383 



December 21. • 



The President, John Cadwalader, A.M., LL.D., in the Chair. 

 Fifty-seven persons present. 



Officers, Councillors, and members of the Committee on Accounts 

 were elected for the ensuing year, as follows: 



President John Cadwalader, A.M., LL.D. 



Vice-Presidents Edwin G. Conklin, Ph.D., 



Henry Skinner, M.D. 



Recording Secretary James A. G. Rehn. 



Corresponding Secretary J. Percy Moore, Ph.D. 



Treasurer George Vaux, Jr. 



Librarian Edward J. Nolan, M.D., Sc.D. 



Curators Witmer Stone, A.M., Sc.D., 



Henry A. Pilsbry, Sc.D., 

 Henry Tucker, M.D., 

 Spencer Trotter, M.D. 



Councillors to serve three 



Years Charles B. Penrose, M.D., 



Charles Morris, 



WilHam E. Hughes, M.D., 



Roswell C. Williams. 



Committee on Accounts Charles Morris., 



Samuel N. Rhoads., 

 John G. Rothermel., 

 Thomas Stewart, M.D., 

 Walter Horstmann. 



On the election of his successor as Recording Secretary in pur- 

 suance to a resolution adopted at the meeting in November, Dr. 

 Edward J. Nolan, became Recording Secretary Emeritus for hfe. 



Annual Reports were received from the Recording Secretary, the 

 Corresponding Secretary, the Librarian, the Curators, the Treasurer, 

 the auditors of the Treasm'er's accounts, the Treasurer of the Manual 

 of Conchology, the Curator of the William S. Vaux Collections, and from 

 the following sections of the Academy: Biological and Microscopical, 

 Entomological, Botanical, Ornithological, Mineralogical and Geo- 

 logical. 



