REPORT OF THE SECRETARY 31 



Department of Biology — Continued. 



Division of Plants (National HerMrium) : W. R. Maxon, curator; Ells- 

 worth P. Killip, associate curator; Emery C. Leonard, assistant curator; 

 Conrad V. Morton, assistant curator; Egbert H. Walker, assistant cu- 

 rator ; John A. Stevenson, custodian of C. G. Lloyd mycological collection. 

 Section of Grasses : Agnes Chase, custodian. 

 Section of Cryptogamic Collections : O. F. Cook, assistant curator. 

 Section of Higher Algae: W. T. Swingle, custodian. 

 Section of Lower Fungi: D. G, Fairchild, custodian. 

 Section of Diatoms: Paul S. Conger, custodian. 

 Associates in Zoology : Mary J. Rathbun, Theodore S. Palmer, William B. 



Marshall, A. G. Boving. 

 Associate in Marine Sediments : T. Wayland Vaughan. 

 Associate in Botany : Henri Pittier. 

 Collaborator in Zoology : Robert Sterling Clark. 

 Collaborators in Biology : A. K. Fisher, David C. Graham. 

 Depaetment of Geology: 



R. S. Bassler, head curator ; Jessie G. Beach, aid. 

 Division of Mineralogy and Petrology: W. F. Foshag, curator; E. P. Hender- 

 son, associate curator ; B. O. Reberholt, senior scientific aid ; Frank I. 

 Hess, custodian of rare metals and rare earths. 

 Division of Invertehrate Paleontology and Paleobotany: Charles E. Resser, 

 curator; Gustav A. Cooper associate curator; Marion F. Willoughby, 

 senior scientific aid. 



Section of Invertebrate Paleontology: T. W. Stanton, custodian of 

 Mesozoic collection ; Paul Bartsch, curator of Cenezoic collection. 

 Division of Vertebrate Paleontology: Charles W. Gilmore, curator; C. Lewis 



Gazin, associate curator; Norman H. Boss, chief preparator. 

 Associates in Mineralogy : W. T. Schaller, S. H. Perry. 

 Associate in Paleontology : E. O. Ulrich. 

 Associate in Petrology: Whitman Cross. 

 Depabtment of Engineering and Industries: 

 Carl W. Mitman, head curator. 

 Division of Engineering : Frank A. Taylor, curator. 



Section of Transportation and Civil Engineering : Frank A. Taylor, in 



charge. 

 Section of Aeronautics: Paul E. Garber, associate curator. 

 Section of Mechanical Engineering : Frank A. Taylor, in charge. 

 Section of Electrical Engineering and Communications : Frank A. 



Taylor, in charge. 

 Section of Mining and Metallurgical Engineering: Carl W. Mitman, in 



charge. 

 Section of Physical Sciences and Measurement: Frank A. Taylor, in 



charge. 

 Section of Tools : Frank A. Taylor, in charge. 

 Division of Crafts and Industries: Frederick L. Lewton, curator; Elizabeth 

 W. Rosson, senior scientific aid. 

 Section of Textiles : Frederick L. Lewton, in charge. 

 Section of Woods and Wood Technology : William N. Watkins, associate 



curator. 

 Section of Chemical Industries : Wallace E. Duncan, assistant curator. 

 Section of Agricultural Industries : Frederick L. Lewton, in charge. 



