REPORT OF THE SECRETARY 13 



On October 2, 1924, the series of talks Avas begun again, with 

 increased scope, and between that date and May 14, 1925, twenty- 

 eight 15-minute talks were presented to the radio audience under 

 the auspices of the Smithsonian Institution through station WRC, 

 four of these having been broadcast jointly with stations WJY and 

 WJZ of New York City, thus considerably extending the audience. 

 Ten of these talks were given by members of the staff of the Insti- 

 tution, the other 18 having been given by scientists representing 

 other establishments selected by and presented under the auspices 

 of the Smithsonian. A list of the talks given during the year 

 follows : 



SMITHSONIAN RADIO TALKS (1924-1925) 



October 2, 1924. Life in the Sea. Mr. Austin H. Clark. 



October 16, 1924. Wonders of the Deep Sea. Capt. Frederick B. Bassett, 

 hydrographer of the Navy. 



October 22, 1924. Curious Plants. Dr. F. V. Coville. 



November 8, 1924. What the Ocean Means to Us. Lieut. Commander George 

 E. Brandt, aid to hydrographer of the Navy. 



November 13, 1924. Indian Cliff Dwellings. Dr. J. AValter Fewkes. 



November 20, 1924. Living Lamps. Mr. Austin H. Clark. 



December 11, 1924. The Ocean Bottom. Dr. George W. Littlehales, hydro- 

 graphic engineer. Navy Department. 



December 25, 1924. What Standards Mean to Us. Dr. Fay C. Brown, assist- 

 ant director, Bureau of Standards. 



December 30, 1924. How Trees Grow. Dr. D. T. MacDougall, director, 

 Desert Botanical Laboratory of the Carnegie Institution, Tucson, Ariz. 



December 31, 1924. Why the Earth is a Magnet. Prof. W. F. G. Swann, 

 Yale University. 



January 3, 1925. Tree Rings and Climate. Dr. A. E. Douglass, University 

 of Arizona. 



January 8, 1925. The Sun and the Weather. Dr. C. G. Abbot. 



January 22, 1925. The Weather. Prof. W. J. Humphreys, United States 

 Weather Bureau. 



January 29, 1925. Mysteries of Bird Migration. Dr. F. C. Lincoln, United 

 States Biological Survey. 



February 5, 1925. The Ocean's Food Resources. Mr. Lewis Radcliffe, Dep- 

 uty Commissioner of Fisheries. 



February 12, 1925. What Other Peoples Eat. Mr. Austin H. Clark. 



February 19, 1925. What the Earth is Made Of. Dr. Henry S. Washington, 

 Carnegie Institution. 



February 26, 1925. Habits of Ants. Dr. William M. Mann, Bureau of Ento- 

 mology. 



March 12, 1925. Fish as Food. Mr. Lewis Radcliffe, Deputy Commissioner of 

 Fisheries. 



March 19, 1925. How Some Wasps Live. Mr. S. A. Rohwer, Bureau of 

 Entomology. 



March 26, 1925. The Work of the Coast and Geodetic Survey in Saving Life 

 find Property at Sea. Col. E. Lester Jones, Director Coast and Geodetic 

 Survey. 



April 2, 1925. Mosquitoes and Other Bloodsucking Flies. Mr. Raymond C. 

 Shannon, Bureau of Entomology. 



