REPORT OF THE SECRETARY 125 
The David W. Taylor Model Basin, by Rear Admiral Herbert 8S. Howard. 
Research for aeronautics—its planning and application, by W. F. Farren. 
Human limits in flight, by Bryan H. C. Matthews. 
Trans-Arctie aviation, by Lt. Elmer Plischke. 
Our petroleum resources, by Wallace H. Pratt. 
Woods and trees: Philosophical implications of some facts of science, by 
Frederick H. Krecker. 
Biology and medicine, by Asa Crawford Chandler. 
The locust plague, by B. P. Uvarov. 
The codling moth, by B. A. Porter. 
Grassland and farmland as factors in the cyclical development of Kurasian 
history, by J. Russell Smith. 
Southern Arabia, a problem for the future, by Carleton S. Coon. 
The New World Paleo-Indian, by Frank H. H. Roberts, Jr. 
Haster Island, by Alfred Métraux. 
Brain rhythms, by E. D. Adrian. 
The development of penicillin in medicine, by H. W. Florey and E. Chain. 
Recent advances in anesthesia, by John C. Krantz, Jr. 
Aspects of the epidemiology of tuberculosis, by Leland W. Parr. 
Report for 1945.—The Report of the Secretary, which included the 
financial report of the executive committee of the Board of Regents, 
and which will form part of the Annual Report of the Board of 
Regents to Congress, was issued January 4, 1946. 
Report of the Secretary of the Smithsonian Institution and financial report of 
the executive committee of the Board of Regents for the year ended June 30, 
1945. ix+116 pp.,2 pls. (Publ. 3813.) 1946. 
The Report volume for 1945, containing the general appendix, was in 
press at the close of the year. 
SPECIAL PUBLICATIONS 
The Smithsonian Institution. 25 pp., 13 pls. (Publ. 3811.) January 14, 1946. 
National Aireraft Collection, by Paul Edward Garber. Sixth Kdition. 43 
pp., illus. (Publ. 8840.) May 31, 1946. 
The following special publication was reprinted: 
Brief Guide to the Smithsonian Institution. Sixth Edition. 80 pp., illus. 1946. 
PUBLICATIONS OF THE UNITED STATES NATIONAL MUSEUM 
The editorial work of the National Museum has continued during the 
year under the immediate direction of the editor, Paul H. Oehser. 
There were issued 2 Annual Reports, 5 Proceedings papers, and 6 
Bulletins. 
REPORTS 
Report on the progress and condition of the United States National Museum 
for the year ended June 30, 1944. iii+100 pp. January 5, 1946. 
Report on the progress and condition of the United States National Museum 
for the year ended June 30, 1945. iii+-112 pp. June 28, 1946. 
