170 



THE ANIMAL PARASITES OF MAN 



[In its living state this parasite is almost transparent. The 

 eggs are brownish or black with a thin 

 shell. The development of the embryo 

 proceeds within the worm, cilia appearing 

 while the embryo is within the parent. 

 F. V. T.] 



3. Opisthorchis noverca, nov. nom. 



Syn. : Distoma confunctum, Lew. and Cunn., 

 1872 McConnell, 1876 (nee Cobbold, 1859). 



At the autopsy of two Mahommedans 

 who died in Calcutta, McConnell found a 



large number of Fasciolidae in the thickened and dilated bile 

 ducts. The worms were lancet-shaped, covered with spines, and 



FIG. 1 02. Uterine egg 

 and miracidium of Opis- 

 thorchis sinensis. (After 

 Leuckart.) 



rh. _ 



Ms. 



FIG. 103. Opis- 

 thorchis noverca, 

 Mihi. .6/1. (After 

 Leuckart.) 



FIG. 104. Distomum conjunctum, Cobb 

 (nee Lewis and Cunn., nee McConnell), from 

 Canis fulvus. (After Cobbold.) ^..Ven- 

 tral sucker ; /., intestine ; Vsc., vitelline 

 sacs ; Ex., excretory bladder ; T., testes ; 

 O., ovary ; Ms., oral sucker ; Ph., pharynx ; 

 UL, uterus. 



measured 9*5 12*7 mm. in length and 2*5 mm. in breadth. The 

 two suckers were very close to one another, the anterior one being 

 larger than the ventral ; the genital pore opened immediately in front 

 of the acetabulum ; the pharynx was spheroidal and the intestinal 

 caeca extended far back. At the commencement of the posterior 



