42S CICHLID.E. 



Synopsis of the Species. 

 Snout much longer than eye in adult ; 



Sc. 29-32 i=^ 1. H.fasciatus, Peters, p. 428. 



Snout not or but little longer than eye ; 



Sc. 25-29 |i=? 2. H. Umaculalus, Giinth., p. 430. 



1. HEMICHROMIS FASCIATUS. 

 Peters, Mon. Berl. Ac. 1857, p. 4015 ; Giinth. Cat. Fish. iv. p. 274 (1862) ; Bleek. 



Nat. Verb.. Vet. Haarlem, xviii. no 2, 1863, p. 38, pi. v. fig. 1 : Steind. Sirzb'. 



Ak. Wien, lx. i. 1870, p. 970 : Sauv. N. Arch. Mus. (2) iii. 1880, p. 35 : 



Steind. Notes Leyd. Mas. xvi. 1894, p. 47; Bonleng. Proc. Zool. Soc. 1898, 



p. 135, and Poiss. Bus?. Congo, p. 409 (1901); Pellegr. Mem. Soc. Zool. 



France, xvi. 1904, p. 253. 

 Chromichthjs elongalus, Guichen. in A. Dum. Arch. Mus. x. 1859, p. 257, pi. xxii. 



fig. 3. 

 Ilemichromis auritus, Gill, Proc. Ac. Phihid. 1862, p. 135 ; Giinth. t, c. p. 275. 

 Hemichromis leiguardii, Capello, Jorn. Sc. Lisb. iv. 1872, p. 85. 

 Ilemichromis desrjuezi, Rochebr. Bull. Soc. Philom. (7) iv. 1880, p. 168, and Act. 



Soc. Linn. Bord. vi. 1882, p. 113, pi. v. fig. 6. 



Depth of body 2\ to 3 times in total length, length of head 2\ to 3 

 times. Head If to 2 times as long as broad ; snout with straight or 

 concave upper profile, longer than the eye in the adult ; eye 3^ (young) 

 to 6 times in length of head, 14 to 1# times in interorbital width; 

 mouth not extending to below anterior border of eye ; middle outer 

 teeth large and canine-like in the adult ; an inner series of minute 

 teeth in the upper jaw, widely separated from the outer ; 4 to series 

 of scales on the cheek, width of scaly part 1 (young) to 'l\ diameters of 

 eye in the adult. Gill-rakers short, the largest anvil-shaped, 6 to 10 on 

 lower part of anterior arch. Dorsal X1II-XV 11-13 ; spines increasing 

 in length to the last, which measures ^ to f length of head and f-. to -J 

 longest soft rays. Anal HI 8-10 ; third spine shorter than last dorsal. 

 Pectoral \ to § length of head, not extending to vertical of origin of 

 anal. Ventral usually more or less produced into a filament, reaching 

 vent or origin of anal, rarely not to vent. Caudal rounded or sub- 

 truncate. Caudal peduncle as long as deep or a little deeper than long. 



•> «i 15—1^1 



Scales cycloid or very feebly denticulate, 29-32 '^d ; lateral lines ^?- 

 Yellowish or olive brown above, tinged or not with red and green, 

 white beneath ; five more or less distinct dark or black spots or bars 

 on each side, between which narrower bars may be present ; a large 



