WELLCOME INSTITUTE | . LIBRARY FOURTH REPORT OF THE WELLCOME TROPICAL RESHARCH LABORATORIES AT THE GORDON MEMORIAL COLLEGE KHARTOUM VOLUME. A.—Medical ANDREW BALFOUR, M.D., B.Sc. F.R.C.P. Epi, D.P.H. Cams.

DIRECTOR Fellow of the Royal Institute of Public Health, the Society of Tropical Medicine and Hygiene, and the Incorporated Society of Medical Officers of Health; Member of the Association of Hconomic Biologists; Corresponding Member Société de Pathologie Exotique and American Society of Tropical Medicine ; Medical Officer of Health, Khartoum; ete.

PUBLISHED FOR DEPARTMENT OF E\pucaTion, SUDAN GOVERNMENT KHARTOUM ' BY BAILLIERE, TINDALL & COX, 8, Henzimrra Sreezr, Covent Garpen, LONDON 1911 ® [COPYRIGHT f aA* 22200060882