APPENDIX C. 
207 
with seven or eight spines ; anal fin with three spines. Gill-covers 
armed with spines ; prseorbital hone strongly serrated. Scales 
rather small^ with rough borders. Lateral line continuous from 
the head to the tail. 
Lates niloticus, Gmel. (The Perch of the Nile . — Keschr 
Homar, when young) . 
D. 7 or 8 I A. L. lat. 60. 
Very similar in appearance to the Bass ; it is said to attain to a 
weight of more than one hundred pounds,, and a length of four to 
five feeL and its flesh to be excellent food. It extends to the West 
African rivers,, and it is evidently this fish which is figured by Sir 
Samuel Baker in his Albert Nyanza/^ Vol, II.^ p. 131. 
LABYRINTHICL 
Ctenopoma. 
Body compressed^ oblong, covered with rough scales of moderate 
size. Lateral line interrupted. Gill-covers serrated; mouth of 
moderate width ; small teeth in the jaws, on the vomer and pala- 
tine bones. One continuous dorsal fin, with numerous (15 — 18) 
spines ; anal fin with about eight or ten spines. 
