1898.] STRIAlSr FISHES OF THE FAMILY CICHLID7E. 135 



1. Hemichbomis FASCIATUS. 



Hemichromis fasciatus, Peters, Mon. Berl. Ac. 1857, p. 403 ; 

 G-iinth. Cat. iv.'p. 274(1862); Bleek. Nat. Verh. Vet. Haarlem, 

 xviii. 1863, no. 2, p. 38, pi. v. fig. 1 ; Steindachn. Sitzb. Ak. A¥ien, 

 Ix. i. 1870, p. 970 ; Sauvage, N. xirch. Mus. (2) iii. 1880, p. 35 ; 

 Steindachn. Notes Leyd. Mus. xvi. 1894, p. 47. 



CJiromicJitJnjs elongatus, Guiclien. in A. Dum. Arch. Mus. x. 

 1859, p. 257, pi. xxii. fig. 3. 



Hemichromis aurihis. Grill, Proc. Ac. Philad. 1862, p. 135 ; 

 GUnth. I.e. -p. 275. 



Hemichromis Jeiguardii, Capello, Joru. So. Lisb. iv. 1872, p. 85. 



Hemichromis c^(?s(/n(?£t7,Eochebruue,Bull. Soc. Philom. (7) iv. 1880, 

 p. 168, and Act. Soc. Linn. Bord. vi. 1882, pi. v. fig. 6. 



Middle teeth distinctly enlarged, canine-like ; a regular series o£ 

 very small prsemaxillary teeth some distance behind the marginal 

 one.^ Depth of body equal to or a little greater than length 

 of head, 2| to 3 times in total length. Snout with straight or 

 concave upper profile, longer than the eye ; in the adult diameter 

 of eye contained 4 to 5| times in length of head, and I5 to 1| in 

 interorbital width ; maxillary not extending to below anterior 

 border of eye ; 4 or 5 series of scales on the cheek ; large scales 

 on the opercle. Gill-rakers short, some hammer-shaped, 6-10 on 

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

 increasing in length to the last, which measures § to f length of 

 head and # to f longest soft rays. Pectoral f length of head. 

 Outer ventral rays produced into filaments, reaching the vent or 

 the anal spines. Anal III 8-10 ; third spine longest, g to f length 

 of head, as long as middle dorsal spines. Caudal trunca.te or 

 rounded. Caudal peduncle nearly as long as deep. Scales 29-32 

 '^^ ; lat. 1. ^-^. Olive or brown, with a black or blue spot on the 

 opei-cle and five more or less distinct darli vertical bars which may 

 be reduced to a series of as many blackish blotches along the side, 

 the last at base of caudal ; young ^^■ith less distinct bars between 

 the principal ones ; fins brown or blackish ; doi'sal and anal 

 sometimes A^ith round whitish spots between the rays ; longi- 

 tudinal series of pearl-colour or brown spots, one to each scale, 

 may be present on the sides. 



Total length 200 milhm. 



The verv numerous specimens in the British Museum are from 

 the following localities : — Sierra Leone, Lagos, Old Calabar, 

 Gaboon, Ogowe, Upper and Lower Congo. 



2. Hemichromis bimaculatus. 



Hemichromis himaculatus. Gill, Proc. Ac. Philad. 1862, p. 137 

 Gunth. Cat. iv. p. 275 (1862) ; Steindachn. Sitzb. Ak. Wien, Ix. i. 

 1870, p. 972, pi. i. fig. 5 ; Sauvage, N. Arch. Mus. (2) iii. 1880, 



1 I Lave examined a large series of specimens, ranging from 40 to 200 millim, 

 total length, and find the character of the dentition very constant, contrary to 

 what Steindaohner was inclined to believe (Sitzb. Ak. Wien, Ix. i. 1870. p. 974). 



