THE PHILIPPINE 



Journal of Science 



B. Medical Sciences 



Vol. hi 



JULY, 1908 



No. 3 



THE PREVALANCE AND DISTRIBUTION OF THE ANIMAL PAR- 

 ASITES OF MAN IN THE PHILIPPINE ISLANDS, WITH A 

 CONSIDERATION OF THEIR POSSIBLE INFLU- 

 ENCE UPON THE PUBLIC HEALTH. 1 



By Philip E. Garrison. 2 

 (From the Biological Laboratory, Bureau of Science, Manila, P. I.) 



Summary of results. 



Eliminations and infections. 



Num- 

 ber. 



Per 

 cent. 



■ 4,106 





3,447 



84 



2,426 



59 



2, 135 



52 



1,052 



26 



926 



23 



853 



21 



132 



3 



32 



O.S 



30 



0.7 



Examinations and infections. 



Prisoners examined _ 

 Prisoners infected .__ 



Whipworms ( Trichuris) 



Hookworms 



Eehvorms (Ascaris) 



Amoiba 



Other intestinal protozoa 

 (eiliates and flagellates) __. 



"Cochin-China diarrhoea 

 worms" {Strongyloides) 



Pinworms (Oxyuris) 



Txnia 



"Japanese lung flukes" {Para- 

 gonimus) 



"Japanese blood flukes" {Schi- 

 stosoma) 



"Japanese liver flukes" (Opis- 

 thorchis) 



The "dwarf tapeworm" (Hy- 



menolepis) 



Total infections 



Intestinal worms only 



Flukes 



All intestinal protozoa 



5,812 



45 



1,779 



1 Read at the Fifth Annual Meeting of the Philippine Islands Medical Asso- 

 ciation, Manila, February 27, 1908. 



2 Assistant surgeon, United States Navy; detailed medical zoologist to Biolo- 

 gical Laboratory the Bureau of Science, Manila, P. I. 



71331 191 



