. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. 240 SILUEID^. occipital process angular; frontal fontanelle knife-shaped, 3 to 4 times as long as broad, 4 to 5 times in leng:th of head; occipital fontanelle indistinct; eye 2| (young) to 4 times in length of snout, 4 to 6-| times in interorbital width; width of mouth nearly equal to interorbital width; band of praemaxillary teeth 4 to 5^ times as long as broad; vomerine teeth granular, forming a crescentic band which is as broad as the praemaxillary band; nasal barbel 3 to -|
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. 240 SILUEID^. occipital process angular; frontal fontanelle knife-shaped, 3 to 4 times as long as broad, 4 to 5 times in leng:th of head; occipital fontanelle indistinct; eye 2| (young) to 4 times in length of snout, 4 to 6-| times in interorbital width; width of mouth nearly equal to interorbital width; band of praemaxillary teeth 4 to 5^ times as long as broad; vomerine teeth granular, forming a crescentic band which is as broad as the praemaxillary band; nasal barbel 3 to -| length of head (J in the very young) ; maxillary barbel f to once length of head (longer in the very young), reaching base or extremity of pectoral spine; outer man- dibular barbels J to ^ length of head (as long as head in the very young). Gill- ^%- ^^^' rakers long and closely set, 45 (young)-70 on anterior arch. Dorsal 78-85, its distance from the occipital process 5^ to :j length of head, its distance from caudal fin equal. Clarias tsaneiisis, Type(). |. to or a little less than diameter of eye. Anal 60-70, touching root of caudal. Pectoral not quite half length of head, the spine very slightly serrated on the outer border, f (young) to § the length of the fin. Ventrals equally distant from end of snout and from caudal, or a little nearer the former. Caudal nearly J length of head. Dark olive-brown above, greyish beneath. Total length 430 millim. Lake Tsana, Abyssinia. 1-3. Types. Zegi. Mr. E. Degen ((!.). 10. CLARIAS CAPENSIS. Cuv. & Val. Hist. Poiss. xv. p. 377 (1840) ; Bouleng. Poiss. Bass. Congo, p. 255 (1901), Proc. Zool. Soc. 1907, p. 1075, and Ann. Natal Mus. i. 1908, p. 237. Depth of body 6J to 7J times in the total length, length of head 4 times. Head once and \ as long as broad, its upper surface coarsely granulate; occipital process angular; frontal fontanelle 3J to nearly. Please note that these images are extracted from scanned page images that may hav
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