SCIENTIFIC STAFF 
(As of May 31, 1927) 
GrorGce H. SHerwoop, A.M., Director and Executive Secretary 
Frepreric A. Lucas, Sc.D., Honorary Director 
James L. Cuarx, Assistant Director (in Full Charge of Preparation) 
Wayne M. Faunce, Sc.B., Assistant to the Director and Assistant Secretary 
I. DIVISION OF MINERALOGY, GEOLOGY, GEOGRAPHY, 
AND ASTRONOMY 
Wiutram Dinter Marruew, Ph.D.,F.R.S., Curator-in-Chief 
ASTRONOMY 
G. Ciyps Fisuier, Ph.D., LL.D., in Charge 
MINERALOGY 
HERBERT P. Wuitiock, C.E., Curator 
GrorcE F. Kunz, Ph.D., Research Associate in Gems! 
Lea McIuvarine Luqusr, Ph.D., Research Associate in Optical Mineralogy 
VERTEBRATE PALAONTOLOGY 
HENRY FAIRFIELD OssBorN, LL.D., D.Sc., Honorary Curator 
W. D. Marruew, Ph.D., Curator of Geology and Paleontology 
WALTER GRANGER, Curator of Fossil Mammals 
Barnum Brown, A.B., Curator of Fossil Reptiles 
Cuar.es C. Mook, Ph.D., Associate in Paleontology 
Witiiam K. Gregory, Ph.D., Research Associate in Paleontology 
CuiLps Frick, B.S., Research Associate in Paleontology 
GEOLOGY AND INVERTEBRATE PALMONTOLOGY 
Cuester A. REEDS, Ph.D., Curator 
II. DIVISION OF ZOOLOGY AND ZOOGEOGRAPHY 
FraNK MicauER CHapMan, Sc.D., N.A.S., Curator-in-Chief 
Lower INVERTEBRATES 
Roy Wautpo Miner, Ph.D., Sc.D., Curator 
WILLARD G. VAN Names, Ph.D., Associate Curator 
FRANK J. Myers, Research Associate in Rotifera 
Horace W. StunKarp, Ph.D., Research Associate in Parasitology 
A. L. TREADWELL, Ph.D., Research Associate in Annulata 
1Research Associates are honorary appointments. 
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