. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. 464 SILURIM. than postocular part of head; eye nearly lateral, 3 to 4 times in length of head, 1 to If times in interorbital width; lips moderately developed; prte maxillary teeth small and wide apart, forming a short and broad band; movable mandibular teeth i to ^ diameter of eye, 8 to J2 in number. Maxillary barbel with a broad marginal membrane at the base, as long as head or a little shorter, reaching root of pectoral spine or a little beyond; mandibular barbels with rami
. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. 464 SILURIM. than postocular part of head; eye nearly lateral, 3 to 4 times in length of head, 1 to If times in interorbital width; lips moderately developed; prte maxillary teeth small and wide apart, forming a short and broad band; movable mandibular teeth i to ^ diameter of eye, 8 to J2 in number. Maxillary barbel with a broad marginal membrane at the base, as long as head or a little shorter, reaching root of pectoral spine or a little beyond; mandibular barbels with ramified obtuse branches, outer only a little longer than inner. Gill-opening not extending downwards beyond root of pectoral spine. Occipito-nuchal shield granulate like the occiput, obtusely tectiform, 1J times as long as broad, posterior processes rounded. Humeral process not or but slightly longer than broad, flat, feebly granulate and striated, rounded or truncate behind, extending as far back as occipito-nuchal process. Dorsal I 7 ; spine straight or feebly curved, as long as or a little longer than head, Pig. Synodontis nummifer. Type (A. M. C). f. smooth in front, feebly serrated behind. Adipose dorsal about 4 times as long as deep, If to 2 times as long as its distance from rayed dorsal. Anal III 7-8, pointed. Pectoral spine a little shorter than head, strongly. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). Dept. of Zoology; Boulenger, George Albert, 1858-1937. London, Printed by order of the Trustees [by Taylor and Francis]
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectfishes
