NO. 2131. 



NEMATODE PARASITES OF RODENTS— HALL. 



215 



cloacal aperture. The spicules are long and bent. The larger spic- 

 ule is 2.7 mm. long. The tail is one-twenty-seventh as long as the 

 entire body. 



Female 18 mm. long and 870 [i thick. The rounded tail end is one- 

 forty-seventh as long as tlie entire body. The vulva is in the anterior 

 portion of the body 

 and divides the body 

 in the ratio of 8:31. 

 The thick-shelled eggs 

 are elliptical and are 

 36 by 20 fi in diameter. 



Host. — Graphiurus 

 murinus. 



Location, — Stomach. 



Locality. — Bhuinga, 

 Africa. 



This species was de- 



Fia. 279.— Physaloptera abbrevuta. Anterior extrem- 

 ity. Enlarged. After von Linsto-w, 18S3. 



scribed from reptiles and has been reported from reptiles. Yon 

 Linstow (1883) has reported it as a pseudo-parasite in the stomach 

 of Ciconia alba, in which case it was apparently to be referred to 



snakes forming part of the diet. 

 Parona (1009) reports it from 

 Graphiurus muri7ms, under the 

 name Ph. ahhrei/iata, which is 

 apparently a misprint for Ph. 

 ahhreviata. He states that there 

 Avere two males and three fe- 

 males, but makes no comment 

 of any sort. The record is 

 strongly suggestive of an error 

 of some sort. If there is no 

 error, then the record, or a rec- 

 ord of anything quite out of the 

 ordinary, should carry some 

 comment to relieve the reader 

 of the suspicion that there is 

 an error of some sort. 



PHYSALOPTERA CIRCULARIS 



von Linstow, 1897. 



Fig. 280.— Physaloptera abbreviata. Poste- 

 rior extremity of male, ventral view. En- 

 larged. After von Linstow, 1883. 



SpecifiG diagnosis. — Phj/sa- 

 loptera (p. 212) : The head is 

 surrounded by a cuticular fold. There are two lips, each projecting 

 forward in a small cone and bearing two rounded swellings on the 

 inside and three papillae on the outside. The cuticle is deeply stri- 

 ated transversely at intervals of 44 /*. 



