REPOUT OF THE SECRETARY 23 



known easternmost districts of North Siam, journeying through the 

 provinces of Nan and Chiengrai. Capt. Eobert A. Bartlett's 1936 

 Greenland expedition collected for the Institution specimens of the 

 marine plant and animal life in the seas along the east and northeast 

 coast of Greenland. Austin H. Clark continued his exhaustive in- 

 vestigation of the butterfly fauna of Virginia. E. P. Killip collected 

 series of specimens of the flora of the Florida Keys, hitherto poorly 

 represented in the National Herbarium. 



Dr. Alos Hrdlicka continued his archeological investigations in 

 Alaska in connection with his study of the origin and early migra- 

 tions of the American Indian. Henry B. Collins, Jr., conducted 

 archeological investigations in the vicinity of Bering Strait, Alaska, 

 to coordinate the results of his previous work at St. Lawrence Island 

 and at Barrow. Herbert W. Krieger made an archeological recon- 

 naissance of the Bahama Islands and excavated prehistoric village 

 sites on five of the larger islands. Dr. Frank H. H. Koberts, Jr., 

 continued his investigations of the Folsom complex, mainly at the 

 Lindenmeier site in northern Colorado. Dr. William Duncan Strong 

 led an archeological expedition to northwestern Honduras, excavat- 

 ing sites on the Ulua River and at Lake Yojoa which gave a strati- 

 graphic section from the historic occupation at Naco, through the 

 various polychrome horizons on the Ulua and at Lake Yojoa, and 

 down to the Playa de los Muertos culture which preceded the Maya 

 culture. J. N. B. Hewitt continued his studies of the League of the 

 Iroquois in New York State and Ontario, Canada. Dr. Julian H. 

 Steward made an etlmological reconnaissance of the desert Shoshoni 

 of southern Idaho, northern Utah, and a part of eastern Nevada. 



PUBLICATIONS 



The "diffusion of knowledge", one of the Institution's primary 

 functions, is accomplished chiefly through its several series of i)ub- 

 lications. As is to be expected from the nature of the Institution's 

 scientific work, the large majority of its publications are tecluiical in 

 character, presenting the results of researches in astrophysics, radia- 

 tion, geology, biology, and anthropology. The Smithsonian annual 

 report, however, is intended primarily for the layman, for in it are 

 presented each year a series of understandable articles written by 

 recognized authorities, which together constitute a survey of ad- 

 vances and interesting developments in nearly all branches of science. 

 The wider diffusion of knowledge is accomplished by a system of 

 news releases furnished to more than 300 newspapers and press serv- 

 ices describing in popular form the Institution's researches, expedi- 

 tions, and publications; and recently by a weekly radio program 



