16S PARASITOLOGY. 



Animals Infested. — The ox, sheep, hog, etc. 

 Parts Infested. — The liver. 



Symptoms. — Similar to that caused by infestation 

 with the preceding species. 



Paragonimus Westermanii (Westerman). 



Synojiyms. — Distoma Ringeri; Distoma Pulmonale; 

 Distoma Westemanii. 



Distribution. — Rare in the United States. Common 

 in China, and other Asiatic countries. 



Description. — The body is thick and elongated ; 

 bluntly rounded at both extremities ; its other 

 anatomical structures are similar to the preceding 

 flukes ; the ventral sucker is located about three- 

 sixteenths of an inch behind the oral one ; the adult 

 is about one-half inch long ; it is reddish brown or 

 slate colored. 



Animals Infested. — Man, hog, dog and cat. 



Parts hifested. — The lungs. 



Conditions Produced. — The fluke invades the lung 

 tissue and produces a cyst; some are located super- 

 ficially, some deep; the cyst is usually from one-half 

 to one inch in diameter and contains a small quantity 

 of chocolate colored fluid and usually two flukes. 



Amphistoma Cervi (Amphi— both) 



(Stoma — mouth) 



Synonyms. — Conical Stomach Fluke ; Amphistoma 

 Conicum. 



Distribiition. — Rare in the United States. Plave 

 been reported in Canada, Europe,. Australia and 

 Egypt. 



Description. — It is conical in shape, thin in front 



