Natural Sciences of Philadelphia 
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ADMINISTRATION OF THE MUSEUM. 
BOARD OF CURATORS. 
Witmer Stone, Executive Curator. 
Henry A. Pilsbry, Secretary. 
Spencer Trotter, Henry Tucker. 
SCIENTIFIC STAFF. 
Vertebrate Zoology. 
Wither Stone, Sc. D., Special Curator. 
Wharton Huber, Assistant Curator, Birds and Mammals. 
Henry W. Fowler, Assistant Curator, Fishes and Reptiles. 
Mollusca and other Marine Invertebrates. 
Henry A. Pilsbry, Sc. D. Special Curator. 
Edward G. Vanatta, Assistant Curator. 
Insects. 
Henry Skinner, M. D., Special Curator. 
James A. G. Rehn, Assistant Curator. 
E. T. Cresson, Jr. Assistant Curator. 
Morgan Hebard, Research Associate. 
Plants. 
Stewardson Brown,* Assistant Curator (in charge). 
Bayard Long, Research Associate. 
Minerals and Rocks. 
Frank J. Keeley, Curator of the William S.Vaux Collection. 
Samuel G. Gordon, Assistant Curator. 
Anthropology. 
Miss H. Newell Wardle, Assistant Curator (in charge). 
Taxidermist. 
David McCadden. 
Artist. 
Helen Winchester. 
'Deceased March 14, 1921. 
