142 ANNUAL REPORT SMITHSONIAN INSTITUTION, 19 30 



VOLtJMK 82 



No. 1. Absorption Lines of the Infra-Red Solar Spectrum. By C. G. Abbot 

 and H. B. Freeman. August 31, 1929. 17 pp., 5 pis., 1 text fig. (Publ, 3026.) 



No. 2. The Thoracic Mechanism of a Grasshopper, and its Antecedents. By 

 R. E. Snodgrass. December 31, 1929. Ill pp., 54 text figs. (Publ. 3027.) 



No. 3. The Radiation of the Planet Earth to Space. By C. G, Abbot. No- 

 vember 16, 1929. 12 pp., 2 pis., 1 text fig. (Publ. 3028.) 



No. 4. The Characters of the Genus Geocnpromys Chapman. By Gerrit S. 

 Miller, jr. December 9, 1929. 3 pp., 1 pi. (Publ. 3029.) 



No. 5. Mammals Eaten by Indians, Owls, and Spaniards in the Coast Region 

 of the Dominican Republic. By Gerrit S. Miller, jr., December 11, 1929. 16 pp. 

 2 pis. (Publ. 3030.) 



No. 6. The Past Climate of the North Polar Region. By Edward W. Berry. 

 April 9, 1930. 29 pp., 4 text figs. (Publ. 3061.) 



No. 7. Tlie Atmosphere and the Sun. By H. Helm Clayton. 49 pp., 33 text 

 figs. (Publ. 3062.) 



SMITHSONIAN ANNUAL REPORTS 



Report for 192S. — The complete volume of the Annual Report of 

 the Board of Eegents for 1928 was received from the Public Printer 

 in November, 1929. 



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

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

 June 30, 1928. xii+763 pp., 145 pis., 52 text figs. (Pul)l. 2981.) 



The appendix contained the following papers : 



Tlie Wider Aspects of Cosmogony, by J. H. Jeans. 



The Stars in Action, by Alfred H. Joy. 



Island Galaxies, by A. Vibert Douglas. 



Astronomical Telescopes, by P. G. Pease. 



New Results on Cosmic Rays, by R. A. Millilvan and G. II. Cameron. 



Three Centuries of Natural Philosophy, by W. F. G. Swann. 



The Hypotliesis of Continental Displacement, by C. Schuchert. 



On Continental Fragmentation and the Geologic Bearing of the Moon's Sur- 

 ficial Features, by Joseph Barrell. 



The " Craters of the Moon " in Idaho, by H. T. Stearns. 



The Oldest Known Petrified Forest, by W. Goldring. 



Water Divining, by J. W. Gregory. 



Some Problems of Polar Geography, by R. N. Rudmose Brown. 



Birds of the Past in North America, by Alexander Wetmore. 



Mammalogy and the Smithsonian Institution, by Gerrit S. Miller, jr. 



The Controversy Over Human " Missing Links," by Gerrit S. Miller, jr. 



What is known of the Migrations of Some of the Whalebone Whales, by 

 Remington Kellogg. 



Ecology of the Red Squirrel, by A. Brooker Klugh. 



Adventures of a Naturalist in the Ceylon Jungle, by Casey A. Wood. 



Communication Among Insects, by N. E. Mclndoo. 



Our Insect Instrumentalists and Their Musical Technique, by H. A. AUard. 



Q'he Neanderthal Phase of Man, by Alei^ llrdlicka. 



Indian Costumes in the United States National Museum, by U. W. Krieger. 



