lExrrittiur ^taff 



©ffirrra of tije Zuolngiral |Iark 



William T. Hornaday, Director' and Geyieral Cui-aloi. 



H. R. Mitchell, Chief Clerk. 



Raymond L. Ditmars, Curator of Reptiles. 



Lee S. Crandall, Cumtof of Birds. 



William Beebe, Honorary Curator of Birds. 



W. Reid Blair, Veterinarian. 



Hermann W. IMerkel, Chief Forester and Constrnctoi 



William Mitchell, Cashier. 



Elwin R. Sanborn, PhMo.jraphcr and Editor. 



(i^ffirrra uf thr Ai]naiium 



Charles H. Townsend, Director. 



Robert J. Lanier, Assistant. 



Charles M. Breder, Jr., Aquarist. 



James C. Moore, Chief Engineer. 



Ida M. Mellen, Secretary. 



Sterling A. Callisen, Clerk. 



©ffirrra uf thr Uirutiiral iRrsrarrh g'tatimi 



William Beebe, Director. 

 John Tee-Van, Assistaiit. 



Innes Hartley, Alfred Emerson, J. F. M. Floyd, 



Research Associates. 



Clifford Pope, Research Assistant. 



Isabel Cooper, Mabel Satterlee, Artists. 



Winifred J. Emerson, Laboratory AsHintant. 



Thomas Smolucha, PliotoyrapJier. 



