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PROCEEDINGS OF THE ACADEMY OF 
[Dec., 
LIBRARY STAFF. 
Librarian .Edward J. Nolan. 
Assistant Librarian .William J. Fox. 
MUSEUM STAFF. 
Department of Vertebrate Zoology' 
Witmer Stone, Special Curator. 
Henry W. Fowler, Assistant Curator (Reptiles and Fishes). 
James A. G. Rehn, Assistant Curator (Mammals). 
Department of Invertebrate Zoology (exclusive of Insects) 
Henry A. Pilsbry, Special Curator. 
Edward G. Vanatta, Assistant Curator. 
Department of Insects 
Henry Skinner, Special Curator. 
James A. G. Rehn, Assistant Curator. 
Ezra T. Cresson, Jr., Assistant Curator. 
Morgan Hebard, Research Associate. 
Department of Botany 
Stewardson Brown, Assistant Curator (in charge). 
Bayard Long, Research Associate. 
Ada Allen, Aid. 
Department of Mineralogy and Geology 
Frank J. Keeley, Curator of the William S. Vaux Collections. 
Samuel G. Gordon, Aid (in charge of general collection). 
Department of Archeology 
Harriet Newell Wardle, Aid (in charge). 
Artist 
Helen Winchester. 
Taxidermist 
David McCadden. 
STANDING COMMITTEES, 1920. 
Finance.- —Effingham B. Morris, John Cadwalader, A. M., LL. D., 
Edwin S. Dixon, Walter Horstmann, and the Treasurer. 
Publication.- —Henry Skinner, M. D., Sc. D., Witmer Stone, A. M., 
Sc. D., Henry A. Pilsbry, Sc. D., Edward J. Nolan, M. D., Sc. D., 
William J. Fox. 
Library'. —Henry Tucker, M. D., Frank J. Keeley, Witmer Stone, 
A. M., Sc. D., Spencer Trotter, M. D., T. Chalkley Palmer. 
