new Nematode Parasites . 215 



Leiperexia, gcu. nov. 



Minute nematode just visil)le to the ual<ctl eye. Head 

 surrouutlcd by more than six small lips. ^Mouth-cajjsule is 

 absent. There is a short muscular pharynx placed ou top 

 of an elongated thin oesophagus. Tail is simple, non-bursatc. 

 The male has two unequal spicules and an accessory piece. 

 Female is viviparous. Embryos reach an advanced stage 

 of maturity within the parent worm. There is a cuticular 

 expansion round the anterior part of the body. Cuticle is 

 striated. 



Type-species, L. leiperi, from the African elephant. 



Leiperenia leiperi, sp. n. 



Male is 3*8 ram. long and '2 mm. in breadth. 



Female is 3"9 mm. in length and '21 mm. in breadth. 



It lias the character of the genus. There are about 8 coni- 

 cal processes projecting from the anterior end of the pharynx. 

 Pharynx is "083 mm. long and "OGram. in breadth. Oesophagus 

 is "38 mm. in length. Excretory vesicle is large, and its 

 ojiening is surrounded by striated margin. The long spicule 

 of the male is '3 ram. and the short is 'lO ram. The 

 accessory piece is '09 mm. The .tail of the male is '38 mm. 

 The tail of the female is '7 mm. and tapers to a sharp point. 

 Vulva is placed a little distance in front of the anus. 



Hub. The iutestine of the African elephautj Uganda. 



Leiperenia galebi, sp. n. 



iMale is 3'25 mm. in length and "17 mm. in breadth. 



Female is 3"8 mm. in length and '18 mm. in breadth. 



The pharynx is '14 mm. in length and •] mm. in breadth, 

 and carries about 8 conical processes on its top. (Esophagus 

 is long and thin, '4 mm. in length. Excretory pore is large 

 and has striated margin, and is placed 1"2 mm. from the 

 l:ead. The long spicule measures "25 mm., the short one 

 •13 ram., and the accessory piece '13 mm. The tail of the 

 male is '43 mm., and is blunt at the end. The tail of 

 the female is much shorter than in the above species, 

 and is '53 mm. in length. The vulva is placed a short 

 distance in front of the anus. 



Hub. Intestine of the Indian elephant. 



