A TREATISE ON PLAQUE 
Dealing with the Historical, Epidemiological, Clinical, 
Therapeutic and Preventive Aspects of the Disease 
by 
W. J. SIMPSON, M.D. Aberd., F.R.C.P. Lond., D.P.H. Camb. 
Professor of Hygiene, King’s College, London; Lecturer on Tropical Hygiene, London School of 
Tropical Medicine; formerly Health Officer, Calcutta; Medical Adviser to the Government 
of Cape Colony, during the outbreak of Plague in 1901; Commissioner for the Colonial 
Office to inquire into the causes of the continuance of Plague in Hong Kong. 
Royal 8vo. Buckram. Pp. xxiv + 466. 
With 6 maps and 34 illustrations. Price 16s. net 
“Authoritative, comprehensive, and practical. He has given to the practical physician an 
accurate guide to the diagnosis and treatment....The sanitarian will read of the way in which 
to deal practically with an epidemic.” Lancet 
TICKS 
A Monograph of the Ixodoidea 
By GEORGE H. F. NUTTALL, M.D., Ph.D., Sc.D., F.R.S., CECIL 
WARBURTON, M.A., F.Z.S., W. F. COOPER, B.A., F.Z.S., F.L.S. 
and L. E. ROBINSON, A.R.C.Sc. (London) 
PART I. THE ARGA8IDAE. 
With 116 text figures and 3 plates. Royal 8vo. 5s. net 
PART II. IXODIDAE. 
With 153 text figures and 4 plates. Royal 8vo. 12s. net. 
This book will deal with the Classification, Structure and Biology of 
Ticks, the study of the group having occupied the authors for several years. 
Practically all that has been published on the subject has received adequate 
consideration. 
The book will be issued in four or more parts, which will be complete 
in themselves. A complete bibliography to the work will appear as a 
separate Fasciculus simultaneously with Part 11. 
THE JOURNAL OF 
AGRICULTURAL SCIENCE 
Edited by 
Professor R. H. BIFFEN, M.A., Cambridge, A. D. HALL, M.A., F.R.S., 
Rothamsted, and Professor T. B. WOOD, M.A., Cambridge. 
The Journal of Agricultural Science is issued in quarterly parts of about 
100 pages, with plates and figures, four parts constituting a volume. 
Volumes I, II and III now ready. In Four Parts, paper covers, 155. net 
per volume. Bound in Buckram, 185. 6d. net per volume. 
The subscription price, payable in advance, is 155. per volume (post free); 
single numbers 5s. net. Subscriptions may be sent to any Bookseller, or 
to Mr C. F. Clay, Manager, Cambridge University Press, Fetter Lane, 
London, E.C. 
CAMBRIDGE UNIVERSITY PRESS, FETTER LANE, LONDON 
C, F. Clay, Manager 
