20 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1950 



Under a cooperative arrangement with the United States Weather 

 Bureau, Charles O. Handley, Jr., was detailed to make natural-history 

 collections on Prince Patrick Island in the Canadian Arctic Archi- 

 pelago. As the year closed, the curator of birds, Dr. Herbert Fried- 

 mann, was en route to South Africa and southern Rhodesia to study 

 the habits of the parasitic honey-guides and weaverbirds, having 

 received grants for the purpose from the American Philosophical 

 Society and the John Simon Guggenheim Memorial Foundation. 



Associate Curator Paul L. lUg assembled data on the life histories 

 and ecology of commensal copepods at the University of Washington 

 oceanographic laboratories at Friday Harbor. Dr. J. P. E. Morrison, 

 associate curator of mollusks, made a short field study of mollusks 

 inhabiting the salt marshes on the eastern shore of Maryland. Assist- 

 ant Curator R. Tucker Abbott was detailed, at the request of the 

 Pacific Science Board, National Research Council, to conduct field 

 studies in Kenya and Tanganyika, East Africa, for the purpose of 

 obtaining carnivorous snails and transporting them to the Trust 

 Territories of the Pacific, a part of the program planned for the control 

 of the destructive giant snail in that area. 



W. L. Brown, chief exhibits preparator, visited South Carolina and 

 Wyoming to procure background materials required for the completion 

 and installation of the Virginia-deer and pronghorn-antelope exliibi- 

 tion groups in the North American mammal hall. 



Head Curator E. P. Killip and Curator Jason R. Swallen were en- 

 gaged for 3 weeks in botanical field studies on Big Pine Key, Fla., 

 collecting specimens and making observations on the distribution of 

 plant life. At the request of the Department of Agriculture, Mr. 

 Swallen was detailed to the Great Plains Field Station at Mandan, 

 N. Dak., to review experimental work now being conducted there on 

 the crested wheatgrass, and to the Texas Research Foundation at 

 KingsvUle, Tex., to complete a survey of the grasses of that region. 

 Dr. George A. Llano, associate curator of cryptogams, made extensive 

 collections of lichens under the auspices of the Arctic Institute of 

 North America after proceeding to the Arctic Research Laboratory 

 at Point Barrow, Alaska, where he was provided with transportation 

 to Wainwright, Umiat on the Colville River, Anaktuvuk Pass in the 

 Brooks Range, and Anchorage. On the return trip Dr. Llano made 

 collections on several islands in the Aleutian Chain, Associate 

 Curator Paul S. Conger, division of cryptogams, was engaged in 

 studying marine diatoms for 2 months at the Chesapeake Biological 

 Laboratory, Solomons Island, Md. Dr. F. A. McClure, research 

 associate in grasses, continued with his studies of the bamboos in the 

 West Indies, Central America, and South America. 



