104 AN^NUAIi REPORT SMITHSONIAN INSTITUTION, 19 40 



Culture sequence In the central Great Plains, by Waldo R. Wedel. 



Pp. 291-352, 2 pis. 

 From history to prehistory in the northern Great Plains, by Wm. 



Duncan Strong. Pp. 353-394, 6 pis. 

 Some Navaho culture changes during two centuries (with a translation 



of the early eighteenth century Rabal Manuscript), by W. W. Hill. 



Pp. 395^15. 

 Progress in the Southwest, by Neil M. .Tudd. Pp. 417-444. 

 Native cultures of the Intermontane (Great Basin) area, by Julian H. 



Steward. Pp. 445-502. 

 Southern peripheral Athapaskawan origins, divisions, and migrations, 



by John P. Harrington. Pp. 503-532. 

 Outline of Eskimo prehistory, by Henry B. Collins, Jr. Pp. 533-592, 



6 pis. 

 Bibliography of anthropological papers by John R. Swanton, compiled by 



Frances S. Nichols. Pp. 593-600. 



SMITHSONIAN ANNUAL REPORTS 



Report for 1938. — The complete volume of the Annual Report of 

 the Board of Regents for 1938 was received from the Public Printer 

 in December 1939. 



Annual Report of the Board of Regents of the Smithsonian Institution 

 showing the operations, expenditures, and condition of the Institution for 

 the year ending June 30, 1938. xiii-}-(X)S pp., 115 pis., 71 figs. (Publ. 3491.) 



The appendix contained the following papers : 



New conception of the imiverse and of matter, by Gabriel Louis-Jaray. 



The nature of the nebulae, by Edwin Hubble. 



The sun and the atmosphere, by Harlan T. Stetson. 



Cosmic radiation, by P. M. S. Blackett. 



A world of change, by Edward R. Weidlein. 



Transmutation of matter, by Lord Rutherford. 



Science and the unobservable, by H. Dingle. 



Some aspects of nuclear physics of possible interest in biological work, 



by L. A. DuBridge. 

 Electron theory, by R. G. Kloeffler. 



Geology in national and everyday life, by George R. Mansfield. 

 The floor of the ocean, by P. G. H. Boswell. 

 Ice ages, by Sir George Simpson. 

 Soil erosion : The growth of the desert in Africa and elsewhere, by Sir 



Daniel Hall. 

 The future of paleontology, by Joseph A. Cushman. 

 The meteorology of great floods in the eastern United States, by Charles 



F. Brooks and Alfred H. Thiessen. 

 Byes that shine at night, by Ernest P. Walker. 

 The Chinese mitten crab, by A. Panning. 



The biology of light-production in arthropods, by N. S. Rustum Maluf. 

 The black widow spider, by Fred E. D'Amour, Frances E. Becker, and 



Walker van Riper. 

 The language of bees, by K. von Frisch. 

 Forest genetics, by Lloyd Austin. 

 The story of the maidenhair tree, by Sir Albert O. Seward. 



