,— I M '»" ' 



ANNOUNCEMENTS 



Future issues of the Biochemical Bulletin 



Pursuant to a further change of plan, which is referred to edi- 

 torially on page 270, this (March) number is the first issue of Volume 

 IV of the Biochemical Bulletin. Hereafter, the volumes of the 

 Biochemical Bulletin will coincide, in periodicity, with the calendar 

 years, instead of the academic years as heretofore. The new plan will 

 enable us to issue the quarterly numbers promptly hereafter. — in 

 March, June, September and December. 



Professional assistance offered to Biological Chemists 



The members of the Columbia University Biochemical Association 

 will coöperate confidentially with any one who desires the Services of 

 biological chemists or who seeks a position in biological chemistry. 



Address inquiries to William J. Gies, 437 West ^pth St., New York. 



The Biochemical Bulletin is a quarterly biochemical review. It publishes 

 results of original investigations in biological chemistry, preliminary reports of 

 investigations, addresses, lectures, criticism, reviews, abstracts of papers, prac- 

 tical suggestions, biographical notes, historical summaries, bibliographies, quota- 

 tions, questions, news items, proceedings of societies, personalia, views on current 

 events in chemical biology, descriptions of new substances, methods and appa- 

 ratus, — any and all suitable items of personal and professional interest to chem- 

 ical biologists. 



SubscripHon prices: Vol. I, $6.00; vol. II, $5.00; vol. III, $4.50; vol. IV, 

 $2.75 ($3-00, foreign). 



Address remittances, manuscripts and correspondence to the Managing 

 Editor, William J. Gies, 437 West sgth St., New York. 



