. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. SYN0D0NT1S. 457 45. SYNODONTTS SERRATUS. Riipp. Beschr. n. Fische Nil, p. 8, pi. ii. fig. 1 (1829) ; Cuv. & Val. Hist. Poiss. xv. p. 263 (1840) ; Giinth. Cat. Fish. v. p. 212 (1864), and Petherick's Trav. ii. p. 234 (1869) ; Vaill. N. Arch. Mus. (3) viii. 1896, p. 136 ; Bouleng. Fish. Nile, p. 372, pi. lxx. & pi. lxxi. fig. 2 (1907). Pseudosynodontis serratus, Bleek. Nederl. Tijdschr. Dierk. i. 1863, p. 55. Depth of body 3^ to 4J times i
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. SYN0D0NT1S. 457 45. SYNODONTTS SERRATUS. Riipp. Beschr. n. Fische Nil, p. 8, pi. ii. fig. 1 (1829) ; Cuv. & Val. Hist. Poiss. xv. p. 263 (1840) ; Giinth. Cat. Fish. v. p. 212 (1864), and Petherick's Trav. ii. p. 234 (1869) ; Vaill. N. Arch. Mus. (3) viii. 1896, p. 136 ; Bouleng. Fish. Nile, p. 372, pi. lxx. & pi. lxxi. fig. 2 (1907). Pseudosynodontis serratus, Bleek. Nederl. Tijdschr. Dierk. i. 1863, p. 55. Depth of body 3^ to 4J times ia total length, length of head 3f to 4f times. Head If to 1^ times as long as broad, more or less rugose above, behind the snout, the rugosities sometimes concealed under a rather thick skin ; snout rounded or obtusely pointed, longer than post- ocular part of head ; eye supero-lateral, 5 (young) to 11 times in length of head, 2 to 4 times in interorbital width; lips moderately developed ; Fig. Si/nodontis serratus. Nubia (F. N.). 1-. pnemaxillary teeth forming a short and broad band ; movable mandi- bular teeth not | diameter of eye, 30 to 48 in number. Maxillary barbel with a broad marginal membrane in its proximal third, § to If times length of head, reaching between base and middle of pectoral spine ; outer mandibular barbel about twice as long as inner, the former with long slender branches, which may bear secondary branches, the latter with tubercular ramifications. Gill-opening not extending down- wards beyond root of pectoral fin. Occipito-nuchal shield rough like the occiput, obtusely tectiform, 1^ to If times as long as broad, posterior processes pointed or truncate. Humeral process a little longer than broad, flat or with a very distinct keel, rugose, acutely pointed, extending. 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 pe
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