new Nematode Parasites. 213 
nerve-ring is °25 mm. from head-end. Bursa has a very 
long dorsal lobe indistinctly separated from the lateral lobes. 
Dorsal ray divides into two. The dorso-lateral ray is bifid 
near its end. The two spicules are equal, °82 mm, long, 
curved near the tip. Accessory piece is ‘13 mm, The 
female tail is ‘52 mm. The vulva is placed ‘12 mm. in 
front of the anus. 
Hab. Intestine of the African elephant, Uganda. 
Mempuista, gen. nov. 
Slender Nematodes with a ring-shaped mouth-capsule. 
Mouth-opening surrounded by a leaf-crown. There is a 
cuticular expansion just below the head forming a ring. 
Bursa elongated and divided into three lobes. The middle 
lobe is longer than the lateral lobes. The dorsal ray divides 
into two. The dorso-lateral ray gives a small branch about 
its middle nearly at right angles to its course. 
Type-species, Memphisia memphisia. 
Memphisia memphisia, sp. n. 
Male is 13°5-14 mm. long and ‘55 mm. in breadth. 
Female is 14°5-16 mm. long and *55 mm. in breadth. 
Cuticle is striated. The cuticular collar is large. There 
are 4 head-papille. External leaf-crown consists of about 
17 leaflets. The mouth-capsule is broader than it is long. 
(Esophagus is broad and short, -48 mm. in length. Nerve- 
ring is ‘25 mm. from head. Bursa is shorter than in the 
next species. The two spicules are slender, bent dorsally at 
end. They are‘9mm. in length. Accessory piece is ‘1 mm. 
in length. The tail of the female tapers sharply. It is 
‘58 mm. in length. The vulva lies close in front of the anus. 
Hab. Intestine of African elephant, Uganda. 
Memphisia aziza, sp. n. 
Male is 12 mm. in length and ‘5 mm. in breadth. 
Female is 15 mm. in length and ‘5 mm. in breadth. 
Cuticle is striated. There are 4 head-papille. External 
leaf-crown consists of 20 leaflets. Mouth-capsule is longer 
than it is broad. (sophagus is short and broad, and is 
‘4mm. in length. The nerve-ring is placed ‘2 mm. from the 
head. The bursa is longer than that of M.memphisia. The 
