SCIENCE LIST 



THE PRINCIPLES OF PREVENTIVE 



MEDICINE. 



By R. TANNER HEWLETT, M.D., F.R.C.P., D.P.H. and A. T. 

 NANKIVELL, M.D., D.P.H. ; Medical Officer of Health, Hornsey. 

 "With 12 Charts and 5 Diagrams. 544 pp. 8vo, 2 is. net. 

 (Postage is. net.) ( I 9 21 ) 



SANITATION IN WAR. 



By LT.-COL. P. S. LELEAN, C.B., F.R.C.S., D.P.H., R.A.M.C., 

 Assistant Professor of Hygiene, Royal Army Medical College. 

 With an Introduction by SURGEON-GENERAL SIR ALFRED KEOGH, 

 K.C.B., M.D., F.R.C.P. 



Contents. Physical Fitness for War Anti-typhoid Inoculation 

 The March Sickness in the Army The Role of Insects in War 

 Medical Organisation and Administration in the Field Field 

 Conservancy Some New Departures in Field Sanitation Water 

 and W T ater Supplies. 



Third Edition. With 68 Illustrations. 376 pp. Fcap. 8vo. 

 75. 6d. net. (Postage 4d.) (1919) 



THE EXAMINATION OF WATERS 



AND WATER SUPPLIES. 



By JOHN C. THRESH, D.Sc., M.D., D.P.H. Lecturer on Public 

 Health, London Hospital Medical College; Medical Officer of 

 Health, Essex County Council. Second Edition. With 53 Illus- 

 trations. 664 pp. Royal 8vo, 2 is. net. (Postage is.) (1913) 



" The second edition is worthy of a still more favourable reception than was 

 accorded to the first." Edinburgh MllKttl Journal. 



"The book is very complete in its scope, and is now quite a standard 

 work. . . . We can strongly recommend this volume as a complete reliable 

 guide and book of reference. "Jo urnal of State Medicine. 



Also by Dr. J. C. THRESH. 



A SIMPLE METHOD OF WATER 



ANALYSIS. 



Especially designed for the use of Medical Officers of Health, 

 gth Edition. 72pp. Fcap.8vo.3s.net. (Postage 2d.) (1918) 



DAIRY BACTERIOLOGY. 



By Prof. ORLA-JENSEX. Translated by P. S. ARUP, B.Sc., F.I.C. 

 \Yith 70 Illustrations. 192 pp. 8vo, i8s. net. (Postage 6d.) 



(1921) 



J. & A. CHURCHILL 



