REPORT OF THE SECRETARY vil 
DEPARTMENT OF BroLtogy—Continued 
Division of Plants (National Herbarium): B. P. Killip, curator; Emery C. 
Leonard, assistant curator; Conrad V. Morton, assistant curator; Egbert 
H. Walker, assistant curator; John A. Stevenson, custodian of C. G. Lloyd 
mycological collection. 
Associate in Botany : W. R. Maxon. 
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, associate curator. 
Associates in Zoology: Theodore S. Palmer, William B. Marshall, A. G. 
Boving, W. K. Fisher, C. R. Shoemaker, E. A. Goldman. 
Associates in Botany: Henri Pittier, F. A. McClure. 
Collaborator in Zoology: Robert Sterling Clark. 
Collaborators in Biology: A. K. Fisher, David C. Graham. 
DEPARTMENT OF GEOLOGY : 
R. 8. 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, scientific aid; Frank L. Hess, 
custodian of rare metals and rare earths. 
Division of Invertebrate Paleontology and Paleobotany: Gustay A. Cooper, 
eurator; A. R. Loeblich, Jr., associate curator; J. Brookes Knight, research 
associate in Paleontology. 
Section of Invertebrate Paleontology: T. W. Stanton, custodian of 
Mesozoic collection; J. B. Reeside, Jr., custodian of Mesozoic collection ; 
Paul Bartsch, curator of Cenozoic collection. 
Division of Vertebrate Paleontology: C. L. Gazin, curator; Norman H. Boss, 
chief preparator; A. C. Murray, scientific aid. 
Associates in Mineralogy: W. T. Schaller, 8S. H. Perry. 
Associate in Paleontology; T. W. Vaughan. 
Associate in Petrology: Whitman Cross. 
DEPARTMENT 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, F. C. Reed, 
acting 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. 
*Now on war duty. 
