210 



On a Filariid from the African Elephant. 



length. It has very little muscular structure, and is not 

 distinctly divided into two portions. Its anterior region, as 

 far back as the nerve-ring, which is situated at 0*25 ram. 

 from the extremity of the head, is rather more slender than 

 the rest, and has apparently structureless walls. Thd lumen 

 is very narrow. The intestine is also slender. 



The vulva is situated on a slight prominence at 3'24- 

 4*05 mm. from the anterior end. The vagina, the terminal 

 portion of which runs posteriorly from the vulva, is long and 



Fio'. 2. 



0'/ mrn. 



Filaria gossi. Terminal portion of vagina ; nearly lateral view. 

 C.J cuticle of body; O., muscular pouch or '* ovejector " ; V., vulva. 



muscular, and is disposed in two longitudinally-arranged 

 loops before giving rise to the two parallel uterine branches, 

 which run posteriorly. There is a remarkable muscular 

 pouch or " ovejector " (fig. 2, 0.) near the vulva, the lumen 

 of the vagina, which has at this point a thick cuticular lining, 

 passing into it with a V-shaped bend. This arrangement is 

 almost exactly the same as that of Habronema microstoma, 

 and resembles to a lesser extent that of Farabronema. The 



