INTERNATIONAL 
CENTRIFUGES 
INTERNATIONAL 
EQUIPMENT COMPANY 
352 Western Ave. (Brighton) 
BOSTON, MASS. 
Catalog Cy. on request 
| The 
Journal of Immunology 
Official Organ of the Society 
for Serology and Hematol- 
ogy and the American Asso- 
ciation of Immunologists. 
ARTHUR F. COCA, Editor 
The Journal is of interest 
from the practical and theo- 
retical standpoints. 
Five dollars a volume— — 
United States and Canada. 
Five dollars and fifty cents 
, elsewhere. 
Order from 
Williams & Wilkins Co. 
Baltimore, U.S. A. 
FOLDED FILTERS 
GRUEBLER STAINS 
MERCK’S—J. T. BAKER’S 
B. & A. Standard Chemicals, 
American Glassware and 
Porcelain Ware. 
ANY and ALL LABORA- 
TORY REQUIREMENTS 
CARRIED IN ABUN- 
DANCE. WE can give your 
orders immediate and intelli- 
gent attention. 
LABORATORY SUPPLIES 
AND CHEMICALS 
DAIGGER 
54 West Kinzie Street 
CHICAGO ILLINOIS 
