APPENDIX C. 
can specimens^ it was rediscovered by Captain Speke on the White 
Nile j he did not bring specimens,, but I have seen a sketch of this 
fish in a collection of MS. drawings^ made by him at Urundogani. 
Mormyrus anguilloides, L. (Erse.) 
D. 26—28. A. 39—42. V. 6. L. lat. 95. 
Head nearly twice as long as high ; snout subtetrahedral,, of 
moderate lengthy rounded in front,, with the upper jaw a little longer 
than the lower. Eye very small^ situated in the anterior third of 
the length of the head. Teeth not very small,, fixed, forming a 
curved series in both jaws, slightly notched at the apex. Dorsal fin 
more than half as long as the anal. The height of the body is con- 
tained from five times and a half to six times and a half in the total 
length (without caudal), the length of the head four times. 
Not very common. 
Gymnarchus. 
This genus difiers from Mormyrus in the fins, the caudal, anal, 
and ventral fins being absent, whilst the dorsal fin extends nearly 
over the entire length of the back. Each jaw with a single series 
of incisors. 
Gymnarchus niloticus, Cuv. {Jerfar ; Ashoua Kamoura in Cairo.) 
Rare; more common in the Upper Nile and West Africa. 
Attains to a length of more than five feet. 
VOL. II. 
17 
