T H E J O U R N A L OF IMMUNOLOGY
Journal and R e v i e w
The Journal of Bacteriology C.-E. A. WINSLOW, Editor.in-Chief is the official organ of the Society of American Bacteriologists. is the principal American periodical in its field. has a larger circulation than any other scientific journal devoted solely to bacteriology. is the standard repository of record and the standard source of reference in its field. includes articles dealing with practical applications of bacteriology chiefly in industry. is representative of the best work in bacteriology wherever done. The Journal is published monthly. Two volumes are published each year beginning January and July. Price per volume, $5.00. Fifty cents per volume is added for delivery overseas.
Bacteriological Reviews BARNETT COHEN, Editor Meets the increasingly urgent need for the selection and integration of the growing mass of material in modern bacteriological literature. Is dedicated to the publication of critical summaries of the various general and special aspects of the science. Emphasis is placed on the rational rather than chronological exposition of a topic. Two issues are published annually, constituting a volume of about 200 pages. Subscription is $4.00 per volume, plus 50 cents outside the Postal Union. Bacteriological Reviews is delivered free to all subscribers of the Journal of Bacteriology.
The Williams & Wilkins Company BALTIMORE (In writing to advertisers, please mention the journal--it helps.)
2
THE JOURNAL
BOTTLES, WITH
OF I M M U N O L O G Y
JARS
AND
S C R E W CAPS OF M O U L D E D
VIALS
BLACK PLASTIC
SELECTED FOR LABORATORY
USE
We offer, for immediate shipment from our stock, an assortment of Bottles (flint and amber glass), Jars and Vials, with moulded plastic screw caps, all of which have been carefully selected for laboratory purposes. Because glassware and caps originate in a variety of sources and in some instances are available only on factory orders in very large quantities, our listing and stock for immediate delivery has proved convenient and economical to laboratory users throughout the world. All of the Bottles, Jars and Vials are furnished with necks with continuous screw thread in accordance with the standards of the Glass Containers Association. The plain and dropper caps, with various types of liners, are similarly threaded and are therefore interchangeable on the various shapes with necks of the same size. Copy of 14-page pamphlet EE-116, giving detailed listing o f a b o v e a s s o r t m e n t o f B o t t l e s , Jars a n d Vials, s e n t u p o n r e q u e s t .
ARTHUR
H. T H O M A S
COMPANY
RETAI L - - W H O L E S A L E - - E X P O R T
LABORATORY APPARATUS AND REAGENTS WEST WASHINGTON
SQUARE
PHILADELPHIA,
CABLE ADDRESS, "BALANCE," PHILADELPHIA
(In writing to advertisers, please mention the journal--it helps.)
U. S. A.