/ 







3Z' 



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., Dr. 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. e. kupfer, a. b. 



Volume XIII 



1918 



With 18 Plates and 10 Text Figures 



-2 



2~ 



^O^^ 



• 



156709 



MANILA 

 BUREAU OP PRINTING 



1918 



