. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. GYMNALLABES.—CHANNALLABES. 271 Under the name of G. typus, forma heterocercalis, Lonnberg, Ofvers. Forh. Stockholm, ]895, p. 184, has noticed a fish from Cameroon which differs from Giinther's description and figure in the somewhat turned up caudal fin, giving it a heterocercal appearance, and in having the pectoral spine serrated on both sides. 5. CHANNALLABES. Giinth. Ann. & Mag. N. H. (4) xii. 1<S73, p. 143 ; Bouleng. Poiss. Bass. Congo, p. 2G3 (1001), and P
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. GYMNALLABES.—CHANNALLABES. 271 Under the name of G. typus, forma heterocercalis, Lonnberg, Ofvers. Forh. Stockholm, ]895, p. 184, has noticed a fish from Cameroon which differs from Giinther's description and figure in the somewhat turned up caudal fin, giving it a heterocercal appearance, and in having the pectoral spine serrated on both sides. 5. CHANNALLABES. Giinth. Ann. & Mag. N. H. (4) xii. 1<S73, p. 143 ; Bouleng. Poiss. Bass. Congo, p. 2G3 (1001), and Proc. Zool. Soc. 1907, p. 1094. Closely allied to the preceding, but still more degraded and eel- shaped ; pectoral fin rudimentary or absent, ventrals absent. Vertebnie 107. A single species. 1. CHANNALLABES APUS. Gymnallahes ajyns, Giinth. t. c. p. 142. Channallahes apiis, Bouleng. 11. cc. pp. 264 and 1094^ fig. Body extremely elongate and serpentiform; length of head 10 to 14 times in total length. Head 1J to IJ times as long as broad ; occipital process acutely pointed ; a sole- shaped frontal fontanelle; an oval occipital fontanelle, partly on the occipital process ; eye extremely small, nearly hidden under the skin in the adult; band of prse- maxillary teeth 3 times as long as broad; _^^^^^^^^^^^^ Eig. 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, Albert, 1858-1937. Codicote, Herts. [Eng : Wheldon and Wesley
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