new Nematode Parasites. 213 



iicrvc-ring is '25 mm. from hearl-enfl. Bursa has a very 

 loiif; dorsal lol)e indistinctly separated from the lateral lobes. 

 Dorsal ray divides into two. The dorso-latcral ray is l)ifid 

 near its end. The two spicules are equal, "82 ram. lon;^, 

 curved near the tip. Accessory piece is '13 mm. The 

 female tail is -52 mm. The vulva is placed '12 ram. in 

 front of the anus. 



Hab. lutestiue of the African elephant, Uganda. 



Memphisia, gen. nov. 



Slender Nematodes with a ring-shaped mouth-capsule. 

 Mouth-opening surrounded by a leaf-crown. There is a 

 ciitieular expansion just below the head forming a riuiji:. 

 IJursa elongated and divided into three lobes. The middle 

 lol)e is longer than the lateral lobes. The dorsal rny divides 

 into two. The dorso-lateral ray gives a small branch about 

 its middle nearly at right angles to its course. 



Type-species, Memphisia mempMsia. 



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 ram. in breadth. 



Cuticle is striated. The cuticular collar is large. There 

 are i head-papillse. External leaf-crown consists of about 

 17 leaflets. The mouth-capsule is broader than it is long. 

 Oesophagus 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 "Oram, 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-papillse. External 

 leaf-crown consists of 20 leaflets. Mouth-capsule is longer 

 than it is broad. (Esophagus is short and broad, and is 

 •4' mm. in length. The nerve-ring is placed "2 mm. from the 

 head. The bursa is longer than that of M. memphisia. The 



