REPORTS 



ON 



PUBLIC HEALTH AND 

 MEDICAL SUBJECTS. 



No. 18. 



BACTERIOLOGICAL STUDIES : 



1. The Influence of Immune Serum on the Biological 

 Properties of Pneumococci. By F. Griffith, M.B. 



2. Bacterial Variation and Transmissible Autolysis. By 

 A. Eastwood, M.D. 



MINISTRY OF HEALTH. 



LONDON: 

 PUBLISHED BY HIS MAJESTY'S STATIONERY OFFICE. 



1923. 



Price is. od. Net. 



