328 MR. G. A. BOITLBNGER ON [Kov. 18, 



occiput ; snoitt obtusely conical, a little less than ^ length of head ; 

 eye supero-lateral, 5| times in length of head, 2 in interorbital 

 width ; upper surface of head gi-anulate and jjitted from between 

 the eyes. Occipito-nuchal shield as long as broad, simply convex, 

 terminating in two pointed processes. Gill-cleft not extending 

 below base of pectoral. Maxillary barbel distinctly fringed at the 

 base, as long as the head ; mandibular barbels with rather short, 

 simple branches, the outer barbels twice as long as the inner and 

 measuring f length of head. Lips rather feebly developed. 

 Humeral process granidate and feebly keeled, acutely pointed, 

 extending as far as occipito-nuchal shield. Dorsal II 7 ; spine 

 strong, shorter than the head, serrated behind. Adipose fin 3| 

 times as long as deep, as long as the head, 3 times as long as its 

 distance from the rayed dorsal. Anal III 8. Pectoral spine 

 slightly shorter than the head, strongly serrated on the outer 

 edge, more strongly still on the inner. Ventral reaching, or 

 nearly reaching anal. Caudal deeply forked, with pointed lobes. 

 Caudal peduncle as long as deep. Skin of body smooth. Dark 

 brown above and beneath ; fins black, with some light cross-bands 

 in the young. 



Total length 110 millim. 



Two specimens from Oguta. 



42. Synodontis membranaceus GeofFr. — Assay, Abo. 



43. Phractura ansorgii Blgr. — Agberi. 

 P. Z. S. 1901, ii. p. 623, pi. xxxvii. fig. 1. 



Cyprinodontid^. 



44. Haplochilus spilauchen A. Dum. — Degama. 



45. FuNDULUs GULARis Blgr. — Agberi. 



P. Z. S. 1901, ii. p. 623, pi. xxxvii. figs. 2 & 3. 



POLYNEMID^. 



46. PoLYNEMUS QUADRiFiLis L. — Munanhor, 



Serranid^e. 



47. Dates niloticus L. — Agberi. 



ClCHLIDiK. 



48. Pelmatochromis Pellegrini, sp. n. (Plate XXIX. fig. 2.) 



Teeth in 2 or 3 series in each jaw. Depth of body 2^ to 2| 

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

 straight profile, 1| to 1| diameter of eye, which is contained 3| 

 to 4 times in length of head, and equals or nearly equals inter- 

 orbital width ; maxillaiy extending to about midway between 



