/ 



150 ME. 6. A. BOULENGEB ON THE AFRICAN AND [Mai*. 1, 



third spine a little shorter than longest dorsal spines. Caudal 

 truncate. Caudal peduncle a little longer than deep. Scales 



3- 



cycloid, 32 ^ ; lat. 1. f\. Pale brown ; dorsal dark brown, 

 whitish at the base ; anal with a few round pure white spots ; 

 ventrals blackish. 



Total length 125 millim. 



Eluilla, Angola. A single specimen, collected by the late 

 Dr. Welwitsch. 



6. Pelmatochromis guentheri. 



Hemichromis c/uentheri, Sauvage, Bull. Soc. Zoo). France, 1882, 

 p. 317, pi. V. fig. 1. 



Hemichromis voltce, Steind. Sitzb. Ak. Wien, xcvi. i. 1887, p. 60, 

 pi. i. fig. 3. 



Teeth in 3 series in each jaw, outer largest but rather small. 

 Depth of body 2| times in total length, length of head 3. 

 Snout with straight upper profile, nearly twice as long as the eye, 

 which is contained 4| times in length of head and nearly equals inter- 

 orbital width ; maxillary not extending to below anterior border of 

 eye ; 4 series of scales on the cheek ; large scales on the opercle. 

 Gill-rakers short, some T-shaped, 12 on lower part of anterior 

 arch. Dorsal XVI 9 ; spines subequal, last f length of head and i 

 longest soft rays. Pectoral | length of head. Anal III 7 ; third 

 spine a little shorter than longest dorsals. Caudal truncate. 

 Caudal peduncle as long as deep. Scales smooth, 31 ~ ; lat. 1. -f-^. 

 Pale olive ; a few round blackish spots on the membrane betvA'een 

 the dorsal spines. 



Total length 1-40 millim. 



Gold Coast. — The diagnosis is taken from the unique specimen 

 in the Paris Museum. 



7. Pelmatocheomis subooellatus. 



Hemichromis subooellatus, Giinth. Proc. Zool. Soc. 1871, p. 667, 

 pi. Ixvii. fig. C. 



Teeth in 2 or 3 series in each ja\A, outer largest but small. 

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

 Snout with convex upper profile, as long as the eye, Mhich is con- 

 tained 3g times in length of head and equals interorbital width ; 

 maxillary extending to below anterior border of eye ; 2 or 3 series 

 of scales on the cheek ; large scales on the opercle. Gill-rakers 

 short, some T-shaped, 10 on lower part of anterior arch. Dorsal 

 XIV -XVI 8-9 ; spines subequal, about ^ length of head and ^ 

 longest soft rays. Pectoral f length of head. Ventral reaching 

 vent or beyond origin of anal. Anal III 6-8 ; third spine as 

 long as or a little longer than longest dorsals. Caudal rounded. 

 Caudal peduncle a little deeper than long. Scales smooth, 26-28 



^^ ; lat. 1. ^-|^. Brown, with more or less distinct blackish 

 opercular spots and a rather indistinct dark lateral stripe ; speci- 

 mens with shorter ventrals (females ?) have a blackish blotch or 



