Paul F. Russell, M.D., M.P.H., Colonel, M.C., A.U.S., Parasitology Division, Army Medical School, Field Staff, International Health Board, Rockefeller Foundation, Luther S. West, Ph.D., Head of Biology Department, Northern Michigan College of Education, Major, Sn.C. A.U.S., and Reginald D. Manwell, Sc.D., Professor of Zoology, Syracuse University, New York, Captain, Sn.C. A.U.S. Foreword by Raymond Fosdick. Pp. i–xix, 1–684. W. B. Saunders and Co., Phil. and London. 1946. Illustrated