Scientific Staff. 
DIRECTOR 
HerMon Carey Bumpus, Ph.D., Se.D., LL.D. 
DEPARTMENT OF GEOLOGY AND INVERTEBRATE PALAONTOLOGY 
Prof. R. P. Wurrrietp, A.M., Curator Emeritus 
Epmunp Oris Hovny, A.B., Ph.D., Curator 
DEPARTMENT OF MINERALOGY 
L. P. Gratracap, Ph.B., A.B., A.M., Curator 
GEorRGE F. Kunz, A.M., Ph.D., Honorary Curator of Gems 
DEPARTMENT OF INVERTEBRATE ZOOLOGY 
Prof. Henry E. Crampron, A.B., Ph.D., Curator 
Roy W. Miner, A.B., Assistant Curator 
Frank EH. Lurz, A.B., A.M., Ph.D., Assistant Curator 
L. P. Gratacar, Ph.B., A.B., A.M., Curator of Mollusca 
WILLIAM BEUTENMULLER, Associate Curator of Lepidoptera 
Prof. Winu1am Morron WHEELER, Ph.D., Honorary Curator of Social Insects 
ALEXANDER PETRUNKEVITCH, Ph.D., Honorary Curator of Arachnida 
Prof. Aaron L. TREADWELL, B.S., M.S., Ph.D., Honorary Curator of Annulata 
DEPARTMENT OF ICHTHYOLOGY AND HERPETOLOGY 
Prof. Basarorp Dean, A.B., A.M., Ph.D., Curator of Fishes and Reptiles 
Louis Hussakor, B.S., Ph.D., Assistant Curator of Fossil Fishes 
DEPARTMENT OF MAMMALOGY AND ORNITHOLOGY 
Prof. J. A. AtLen, Ph.D., Curator 
Frank M. CHapMan, Curator of Ornithology 
Roy C. Anprews, A.B., Assistant in Mammalogy 
W. ve W. Miter, Assistant in Ornithology 
DEPARTMENT OF VERTEBRATE PALHAONTOLOGY 
Prof. Henry Fairrigetp Ossporn, A.B., Se.D., LL.D., D.Se., Curator 
W. D. MarrHew, Ph.B., A.B., A.M., Ph.D., Associate Curator 
WALTER GRANGER, Assistant Curator of Fossil Mammals 
Barnum Brown, A.B., Assistant Curator of Fossil Reptiles 
DEPARTMENT OF ANTHROPOLOGY 
CuarK WissuLEeR, A.B., A.M., Ph.D., Curator 
Purny E. Gopparp, A.B., A.M., Ph.D., Associate Curator 
Haran I. Smiry, Associate Curator 
Rospert H. Lowtn, A.B., Ph.D., Assistant Curator 
HERBERT J. SPINDEN, A.B., A.M., Ph.D., Assistant Curator 
CHARLES W. Mrap, Assistant 
ALANSON SKINNER, Assistant 
DEPARTMENT OF PHYSIOLOGY 
Prof. RatpH W. Tower, A.B., A.M., Ph.D., Curator 
DEPARTMENT OF PUBLIC HEALTH 
Prof. CHARLES Epwarp Amory WInstow, S.B., M.S., Curator 
DEPARTMENT OF WOODS AND FORESTRY 
Mary Cyntrata Dickerson, in charge 
DEPARTMENT OF BOOKS AND PUBLICATIONS 
Prof. Rauph W. Towsnr, A.B., A.M., Ph.D., Curator 

ANTHONY Woopwarp, Ph.D., in charge of Maps and Charts 
DEPARTMENT OF PUBLIC EDUCATION 
Prof. AuBert 8. Bickmorg, B.S., Ph.D., LL.D., Curator Emeritus 
GrorGE H. SHERwoon, A.B., A.M., Curator 
