26 



The Philippine Journal of Science 



191C 



The following table of the workers on intestinal parasites in 

 the Philippine Islands will serve for easy comparison: 



Table II. — Workers on intestinal parasites in the Philippine Islands. 



Date. 



Observer. 



Per- 

 sons in- 

 fected. 



Tae- 

 nia, 



Dipylidium 

 caninum. 



Locality. 



1901(8) 



1902(9) 



1905 



Strong 



a 2. 179 

 b600 



2 



<i5 



• 50 



35 



3 



6 



None . 



Manila. 

 Do. 



Bilibid Prison. 

 Hospicio de San 



Juan de Dios. 

 Bilibid Prison. 

 Bureau of Science. 

 Manila. 

 Taytay, Rizal. 



Las Piiias. 

 Santa Isabel. 

 Tuguegarao. 

 Bagruio. 



Civil Hospital 



Baguio. 

 Baguio. 



Cagayan Valley. 

 Cavite. 



Batanes Islands. 

 College of Medicine 



and Surgery. 

 Philippine Scouts. 



l....do 





J 





1907(10) _ 



1908(11) 



do - . -. 



3,447 

 680 



1,089 

 140 

 342 

 945 



5,406 

 692 



1.932 

 110 



183 



100 



3.656 



932 



400 



■^500 



260 



do 



do 



do 



do 



June- July, 

 1908(12). 



March-Au- 

 gust, 1909. 



1909 (13) 



1909 (") 



1910(16) 



1910 



Gabriel 



Garrison and Llamas 



Garrison, Leynes, and Lla- 

 mas. 

 Rissler and Gomez 



1 



do 



4 

 17 

 32 

 15 



9 



2 

 59 

 3 

 1 

 1 



1 



None . 



- . do 



do 



do _ 



(f) 



1910 



do . 



1910 (16) 



July 1, 1907 



(16). 



March 3, 1910. 



1910(6) 



1911(17) 



1911 (18) 



1913 (19) 



1913(20) 



1918(21) 



Chamberlain, Bloombergh, 

 and Kilbourne. 



....do -. 



Bowman 



do 



do_- 



do 



do 



do - 



do 



Willets 



Stitt 



Willets 



Crowell and Hammack 



Tenney.. _ 





• stools, 1,793 ; autopsies, 

 i" Stool examinations. 

 "= Autopsies. 

 <i Species. 



386. 



« Three genera and 5 species. 

 ' One egg supposed to be of Dipylidium cani- 

 num, but no confirmatory evidence. 



Dr. J. D. Jungmann tells me that during his two years' expe- 

 rience in the clinical laboratory of the Philippine General Hospi- 

 tal he has not met with the eggs or segments of this parasite. 



Human infestation with Tsenia is very rare in the Orient, 

 and none of the reports that I could find records this parasite. 



Table III. — Showing freedom of man from Tsenia and Dipylidium 

 infestation in the Orient. 



Observer. 



Stool 

 exam- 

 inations. 



Tsenia. 



Dipylidium 

 caninum. 



Locality. 



C. P. Kindleberger (22) .. 

 Do 



7,768 

 3,691 







Guam. 



Queensland. 

 Southern China. 

 Hongkong. 

 Changsha, China. 



do 



do 



T. H. Johnston (23) 



do 



do. . . 



F. Lindsay Woods (24) .. 





do 



do 



J.Bell (25) 



850 

 120 



do 



do .. 



Alfred Reed (26) 



do 



do 









