PROCEEDINGS OF THE MANILA MEDICAL SOCIETY ARE NOW 

 PUBLISHED IN THIS PERIODICAL 



Vol. XIII, Sec. B, No. 4 



July, 1918 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



ALVIN J. COX, M. A., Ph. D. 



GENERAL EDITOR 



Section B 



Tropical Medicine 



EDITED WITH THE COOPERATION OF 



J. A. JOHNSTON, M. D., Db. P. H.; OTTO SCHOBL, M. D. 



STANTON YOUNGBERG, D. V. M.; H. W. WADE, M. D. 



Committee on Experimental Medicine 



J. D. LONG, A. M., M. D.; B. C. CROWELL, M. D. 



FERNANDO CALDERON, B. A., L. M. 



Committee on Clinical Medicine 



r. c. McGregor, a. b.; h. i. kupfer, a. b. 





SF* 



V 



A' 



MANILA 



BUREAU OP PRINTING 



1918 



