NOTE 
Lee M. Talbot was formerly Director of the South 
East Asia Project of the International Union for Conser¬ 
vation of Nature and Natural Resources, and Consultant 
in Ecology and Conservation to the United Nations Special 
Fund, UNESCO, the Pacific Science Board of the National 
Academy of Sciences, and various African and Asian Gov¬ 
ernments. This paper was given, in August 1963, as an 
Invited Paper in the "Symposium on Animal Production 
under Adverse Climatic Conditions" at the Sixth Inter¬ 
national Congress of Nutrition held at Edinburgh, Scot¬ 
land, as a contribution of the Museum of Vertebrate 
Zoology and Department of Geography, University of 
California at Berkeley* Dr. Talbot later collaborated 
with Lloyd W. Swift, Executive Secretary of the World 
Wildlife Fund, on a similar paper presented at the Inter¬ 
national Grasslands Congress held in Brazil in December 
1964. Dr. Talbot is currently in the Office of Ecology, 
Museum of Natural History, Smithsonian Institution. 
IV 
