This monograph describes the work of the Division of Biological Sciences of the National Research Council of Canada. Part One deals with scientific research in agriculture and other areas from 1916 until 1939. The subject of Part Two is the solution of special problems connected with World War II, including the preservation and packaging of food for long-distance transportation. Part Three records changes in emphasis following the war and establishment of branch laboratories in various parts of Canada. Historians of science and students of Canadian history will find this a valuable reference work. Written in nontechnical language, it can be read easily by anyone interested in the development of biological sciences and in the work of the National Research Council.