158 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1947 



VOLUME 107 



No. 1. The Etlinogeographic Board, by Wendell Clark Bennett. 135 pp., 2 flgs. 

 (Publ. 38S9.) Apr. 14, 1947. 



No. 2. The thoracic muscles of the cockroach Periplaneta americana (L.), by 

 C. S. Carbonell. 2a pp., 8 pis. ( Publ. 3890. ) May 8, 1947. 



No. 3. 1946-1947 report on the 27.0074-day cycle in Washington precipitation, 

 by C.G.Abbot. 2 pp. (Publ. 3892.) Mar. 17, 1947. 



No. 4. The sun's short regular variation and its large effect on terrestrial tem- 

 peratures, by C. G. Abbot. 33 pp., 12 figs. (Publ. 3893.) Apr. 4, 1947. 



No. 5. The dates and editions of Curtis' British Entomology, by Richard E. 

 Blackwelder. 27 pp., 4 pis., 15 figs. (Publ. 3894.) June 12, 1947. 



No. 6. Prehistory and the Missouri Valley development program : Summary 

 report on the Missouri River Basin archeological survey in 1946, by Waldo R. 

 Wedel. 17 pp., 2 pis., 1 fig. (Publ. 3895.) Apr. 23, 1947. 



SMITHSONIAN ANNUAL REPORT 



Report for 194^. — The complete volume of the Annual Report of 

 the Board of Regents for 1945 was received from the Public Printer 

 December 4, 1946 : 



Annual Report of the Board of Regents of the Smithsonian Institution showing 

 the operations, expenditures, and condition of the Institution for the year ended 

 June 30, 1945. iv-f 484 pp., 80 pis., 28 figs. ( Publ. 3817. ) 



The general appendix contained the following papers (Pubis. 3818- 

 3839) : 



Our revolving "island universe" and its spiraling counterparts, by William T. 



SkiUing. 

 Medical uses of the cyclotron, by F. G. Spear. 



Drinking water from sea vpater, by W. V. Consolazio, N. Pace, and A. C. Ivy. 

 Plastics and metals — competitors or collaborators? by G. K. Scribner. 

 The mineral position of the United States and the outlook for the future, by 



Elmer W. Pehrson. 

 Japanese earthquakes, by N. H. Heck. 

 Conquest of the Northvpest Passage by R. C. M. P. schooner St. Roch, by J. Levels 



Robinson. 

 The Nevp England hurricane of September 1944, by Charles F. Brooks and Conrad 



Chapman. 

 Conserving endangered wildlife species, by Hartley H. T. Jackson. 

 Living with the boll weevil for fiity years, by U. C. Loftin. 

 The indispensable honeybee, by James I. Hambleton. 

 The importance of plants, by William J. Bobbins. 

 Fungi and modern affairs, by J. Ramsbottom. 

 The introduction of abacd (Manila hemp) into the Western Hemisphere, by H. T. 



Edwards. 

 Growing rubber in California, by E. L. Perry. 

 Thinking about race, by S. L. Washburn. 

 A unique prehistoric irrigation project, by Henry C. Shetrone. 

 Concepts of the sun among American Indians, by M. W. Stirling. 

 Human problems in military aviation, by Detlev W. Bronk. 

 Blood and blood derivatives, by Edwin J. Cohn. 



