new Nematode Parasites. P15 
LEIPERENIA, gen. nov. 
Minute nematode just visible to the naked eye. Head 
surrounded by more than six small lips. Mouth-capsule is 
absent. There is a short muscular pharynx placed on top 
of an elongated thin esophagus. Tail is simple, non-bursate. 
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. leipert, from the African elephant. 
Leiperenia leiperi, sp. n. 
Male is 3°8 mm. long and *2 mm. in breadth. 
Female is 3°9 mm. in length and ‘21 mm. in breadth. 
It has 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 ‘06mm. in breadth. Gisophagus 
is °38 mm. in length. LExcretory vesicle is large, and its 
Opening is surrounded by striated margin. The long spicule 
of the male is *3 mm. and the short is ‘19 mm. The 
accessory piece is "09 mm. ‘The tailof the male is °88 mm. 
The tail of the female is *7 mm. and tapers to asharp point. 
Vulva is placed a little distance in front of the anus. 
Hab. 'The intestine of the African elephant, Uganda. 
Leiperenia galebi, sp. un. 
Male is 8°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 onits top. Csophagus 
is long and thin, *4:mm. in length. Excretory pore is large 
and has striated margin, and is placed 1:2 mm. from the 
head. The long spicule measures °25 mm., the short one 
‘13 mm., 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. 
fab. Intestine of the Indian elephant. 
