Vol.' VIII, Sec. B, No. 2 



April, 1913 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



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



GENERAL EDITOR 



Section B 



Tropical Medicine 



EDITED WITH THE COOPERATION OF 



E. L. WALKER, S. D.; M. A. BARBER, Ph. D.; A. R. WARD, D. V. M. 



Committee on Experimental Medicine 



V. G. HEISER, M. D.; W. E. MUSGRAVE, M. D.; B. C. CROWELL, M. D. 

 Committee on Clinical Medicine 



R. C. MCGREGOR, A. B. 



MANILA 



BUREAU OF PRINTING 



1913 



