94 PARASITOLOGY. 



ing at the summit of this tumor. If the tumor is 

 located in the wall of the stomach it may rupture on 

 the peritoneal surface, and may cause a fatal peri- 

 tonitis. When tumors are located in the wall of the 

 stomach vomiting is sometimes noted; catarrh of the 

 stomach and rapid loss of condition may follow. 



SiMONDSiA Paradoxa (Simonds) . 



Distribution. — Found in Europe ; have not been 

 reported in the United States. 



History, — Discovered in 1852 by Mr. Simonds in a 

 German pig in the London Zoological Garden. 



Description. — The body is thread-like in calibre and 

 tapers toward the head; the cephalic extremity is 

 provided with two lateral membranous wings; the 

 mouth is supplied with two papillae ; toward the 

 posterior part of the body of the female there is 

 developed a rosette-shaped organ which is formed 

 by the everted uterus ; the tail of the male is coiled 

 in a spiral manner and is provided with two spiculae; 

 the male is one-half inch long, the female three-fifths 

 inch. 



Animal Infested. — The pig. 



Part Infested. — The stomach. 



Co7idition Produced. — The males are found free in 

 the stomach, while the females are found in small tu- 

 mors. Large numbers of them may produce indi- 

 gestion and inflammation. 



FiLARiA Papillosa (Fllum — thread ; papilla). 



Synonym. — Filaria equina ; Seta- 

 ria equina. 



