COMMITTEES 437 
Scientifique et Technique Outre-Mer, Paris, France; Member of 
UNESCO Advisory Committee on Arid Zone Research 
B. T. Dickson, Retired Chief, Division of Plant Industry, Common- 
wealth Scientific and Industrial Research Organization, Canberra, 
Australia; Member of UNESCO Advisory Committee on Arid 
Zone Research 
Luna Leopo.tp, Water Resources Division, Geological Survey, U. S. 
Department of the Interior, Washington, D. C. 
Paut B. Sears, Professor of Conservation, Yale University, New 
Haven, Connecticut; President Elect of AAAS 
Joun A. BEHNKeE, Associate Administrative Secretary, AAAS, Wash- 
ington, D. C. (ex officio) 
The Southwestern and Rocky Mountain Division of the AAAS 
Local Committee 
Chairman: 
Perer C. Duissperc, Southwestern Irrigated Cotton Growers Associa- 
tion and Desert Products Company; Chairman of the Committee 
on Desert and Arid Zone Research of the Southwestern and Rocky 
Mountain Division of the AAAS 
Anton Berkman, Head, Department of Biology, Texas Western College, 
E] Paso; Chairman of Finance Committee and Treasurer 
E. F. Castretrer, Dean of the Graduate School, and Chairman, De- 
partment of Biology, University of New Mexico, Albuquerque, 
New Mexico; Chairman in charge of Symposium arrangements 
J. L. Garpner, Research Conservationist, Agricultural Research Service, 
Soil and Water Conservation Research Branch, U. S. Department 
of Agriculture, State College, New Mexico; Chairman in charge of 
Field Trip 
Frank E. E. Germann, Professor of Chemistry, University of Colorado, 
Boulder; Executive Secretary of the Division 
Errx K. Resp, Regional Chief of Interpretation, National Park Service, 
_ U.S. Department of the Interior, Sante Fé, New Mexico 
Joun L. Hay, Hydraulic Engineer, Engineering Department, City of 
El Paso, Texas; Chairman in charge of Publicity and Education 
H. L. Srannxe, Head, Department of Biological Science, Arizona State 
College, Tempe, Arizona 
E. J. Workman, President, New Mexico Institute of Mining and Tech- 
nology, Socorro, New Mexico; Chairman in charge of Conference 
arrangements 
