OVA OF INTESTINAL WORMS AS SEEN IN THE 

 F^CES. 



Trematoda. 



F, Schistosoma' japonicum (after Leiper). 

 P, Schistosoma mansoni (after Holcomb) , 



G, Fasciolopsis buski (after Looss). 



H, Heterophyes heterophyes (after Looss) . 

 Q, Dicrocoehum lancea turn (after Looss) . 



Cestoda. 



J, Dibothriocephalus cordatus. (Outhne only to show relative size. 



Figure K is placed inside it in order to economize space.) 

 L, Taenia solium (after Leuckart). 

 M, Taenia confusa (modified after Guyer), 

 N, Dibothriocephalus latus (modified after Schauinsland). 

 O, Taenia saginata (after Leuckart). 

 R, Hymenolepis nana (after Stiles). 

 T, Hymenolepis lanceolata (after Railliet) . 

 W, Hymenolepis diminuta (after Blanchard). 

 S, Dipylidium caninum (after Diamare). 

 V, Diplogonoporus grandis (after Brumpt). 



Nematoda. 



A, Ancylostoma duodenale. 



B, Strongyloides stercoralis (after Thayer). 



C, Oxyuris vermicularis (after Leuckart) . 



D, Necator americanus. 



E, Trichostrongylus instabilis (after Ward). 



I, Gigantorhynchus gigas (after Ward). 



K, Trichuris trichiura. (Placed inside the outhne of Dibothrio* 



cephalus cordatus for the sake of economy in space.) 

 U, Ascaris lumbricoides. 



X, Ascaris, sp. ? (We have seen large eggs of this nature in Ceylon.) 



1754 



