116 Dr. A. Gtinther on new Fishes. 
Mormyrus Moorii, sp. n. : 
D. 24. A.29. L.lat.45. L. transy. 22%, 
ca 7 
Snout obtuse, with the jaws equal in length, the mouth being 
terminal. Hye small, its diameter being one-half of the length 
of the snout, and one-eighth of that of the head. Teeth small, 
deeply notched, 5. Pectoral fin not much shorter than the head, | 
extending somewhat beyond the middle of the ventral fin. The 
height of the body is contained thrice and four-fifths in the 
total length (without caudal), the length of the head nearly five 
times. Brown; head and a small spot on the root of the caudal 
fin black. 2 
One specimen, 9 inches long, is in the Liverpool Museum ; 
it was discovered by Mr. Walker in the River Ogome. 
Mormyrus Ussheri, sp. n. 
D. 27-28. A.30. L. lat.58. 1. transy. 2° 
ca 10° 
Snout not very obtuse, with the lower jaw somewhat promi- 
nent, and terminating in a very short skinny flap. Eye small, 
its diameter being two-fifths of the length of the snout, and 
two-thirteenths of that of the head. Teeth small, slightly 
notched, 5. Pectoral fin at least as long as the head, extending 
beyond the middle of the ventral fin. The height of the body 
is contained thrice and a half in the total length (without: 
caudal), the length of the head four times and two-thirds. 
Uniform brown. 
Two specimens, from 7 to 9 inches long, were collected by 
H. T. Ussher Esq., in the Bossumprah River, Gold Coast. 
Mormyrus catostoma (Gthr.). 
This species was described from East-African specimens. An 
example with twenty-nine anal rays, from the Bossumprah River, 
has been sent by Mr. Ussher to the Liverpool Museum. 
Mormyrus Walkeri, sp.n. Plate III. fig. C. 
D. 21. A. 22-23. I. lat. 55. 
Allied to M. niger. 
Snout obtuse, convex, not projecting beyond the mouth, 
which is terminal. ye small, its diameter being shorter 
than the length of the snout. Teeth deeply notched, =. Pee- 
toral fin as long as the head without snout, not quite twice 
as long as, and extending beyond the root of, the ventral. The 
* Tn an oblique line between the origins of the dorsal and anal fins. 
