1883.] 



NATURAL SCIENCES OF PHILADELPHIA. 



33T 



lithic and neolithic periods, of the work of the cave and lake 

 dwellers, the mound builders, ancient Mexicans, Peruvians and 

 Indians of America, and from the kitchen-middens of Denmark. 

 The mineralogical part of the collection has been arranged and 

 classified under the system of J. D. Dana, 5th edition, 1869. It 

 embraces 5302 specimens, representing 466 species or groups, all 

 mounted in trays and labeled. 



All of which is respectfully submitted, 



Jacob Binder, 



Curator. 



The election of Officers for 1884 was held, with the following 

 results : — 



President, 

 Vice-Presidents, 



Recording Secretary , 



Corresponding Secretary, 



Treasurer, 



Librarian, 



Curators, 



Councillors to serve three 

 years, .... 



Finance Committee, 



Joseph Leidy, M. D. 

 Thomas Meehan, 

 Rev. Henry C. McCook, D. D. 

 Edward J. Nolan, M. D. 

 George H. Horn, M. D. 

 William C. Henszey. 

 Edward J. Nolan, M. D. 

 Joseph Leidy, M. D., 

 Jacob Binder, 



W. S. W. Ruschenberger, M. D. 

 Angelo Heilprin. 

 George Y. Shoemaker, 

 Aubrey H. Smith, 

 William L. Mactier, 

 George A. Koenig, Ph. D. 

 Isaac C. Martindale, 

 Clarence S. Bement, 

 Aubre}' H. Smith, 

 S. Fisher Corlies, 

 George Y. Shoemaker. 



