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| WELLCOMI INSTITUTE ¥

| _LIBRARY |

OF THE

WELLCOME RESEARCH LABORATORIES

GORDON MEMORIAL COLLEGE

KHARTOUM

by RECTOR

Fellow of the Reyai Institute of Public Health, the Society of Tropical

Medicine and Hygiene, and the Society for the Destruction of Vermin; Meraber of the Incorporated Society of Medical Officers of Health, and the Association of Economic

ANDREW BALFOUR, M.D., B.Sc., F.R.C.P. Epiy., D.P.H. Cams.

{

ee

Biologists; Corresponding Member Société de

Pathologie Hxotique; Medicai Officer

of Health, Khartoum; etc.

if

PUBLISHED FOR

DEPARTMENT oF Epucation, SuDAN GOVERNMENT

KHARTOUM

BY

| BAILLIERE, TINDALL & COX, 8, Hewramrra Srrezt, Covent Garpen, Lonpon

| 1908 [COPYRIGHT

‘

NREL 2200060515