TO CAMBRIDGE MICROSCOPISTS. 
Messrs W. WATSON & SONS, Ltd., 
beg to announce that 
Mr CHAS. HYMANS 
is SOLE AGENT in CAMBRIDGE 
for the sale of their Microscopes, Objectives, and 
accessories, and that all local enquiries for these 
should be addressed to him as below. 
The products of this well-known firm are unsurpassed by those 
of any other maker in the world, British or foreign. 
A selection of instruments suitable for Pathology, Zoology, Botany, etc., always in 
stock, at makers’ lowest prices. Illustrated catalogue free on request. 
SECOND-HAND MICROSCOPES by well-known makers bought, sold, or ex¬ 
changed. Enquiries solicited. 
CHAS. HYMANS, 7, St Andrew’s St, CAMBRIDGE. 
_ 
AMERICAN JOURNALS 
for which the Cambridge University Press 
act as agents in the United Kingdom. 
THE JOURNAL OF BACTERIOLOGY. The official organ of the 
American Society of Bacteriologists. Edited by C.-E. A. Winslow. 
Published bi-monthly. A volume, consisting of six parts and containing about 600 
pages, is issued annually. The subscription price per volume, payable in advance, is 
23J net post free. 
ABSTRACTS OF BACTERIOLOGY. Edited by A. Parker Hitchens 
under the direction of the Society of American Bacteriologists. 
Published bi-monthly. A volume, consisting of six parts and containing about 500 
pages, is issued annually. The subscription price per volume, payable in advance, is 
23s net post free. 
THE JOURNAL OF IMMUNOLOGY. Edited by Arthur F. Coca 
under the direction of the Society of Serology and Hematology and the 
American Association of Immunologists. 
Published bi-monthly. A volume, consisting of six parts and containing about 600 
pages, is issued annually. The subscription price per volume, payable in advance, is 
23 s net post free. 
Cambridge University Press, Fetter Lane, London, E.C. 4 
C. F. Clay, Manager 
