Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . Mem. Ac. St. Petersb. (7) vii. 1864, no. 4, p. cyprinoides, Bouleng. Proc. Zool. Soc. 1808, p. 805, Bass. Congo, p. 96 (1901), and Fish. Nile, p. 50, pi. vi. fig. 2 k pi. vii. fig. 3 (1907). Depth of body 3 to 4 times in total length, length of head 4 to5J times. Head slightly longer than deep, with curved upper profile;snout about \ length of head ; mouth small, on a line with lower borderof eye; chin with a globular dermal appendage ; teeth minute, conical, GNATHONEMUS. Ill 5 i
Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . Mem. Ac. St. Petersb. (7) vii. 1864, no. 4, p. cyprinoides, Bouleng. Proc. Zool. Soc. 1808, p. 805, Bass. Congo, p. 96 (1901), and Fish. Nile, p. 50, pi. vi. fig. 2 k pi. vii. fig. 3 (1907). Depth of body 3 to 4 times in total length, length of head 4 to5J times. Head slightly longer than deep, with curved upper profile;snout about \ length of head ; mouth small, on a line with lower borderof eye; chin with a globular dermal appendage ; teeth minute, conical, GNATHONEMUS. Ill 5 in upper jaw, 6 in lower ; eye moderate, J to f length of snout, f toJ interorbital width. Dorsal 25-30, originating above 6th to 9th ray ofanal, its length 2 to 2J times in its distance from head. Anal 30-37,equally distant from base of ventral and from base of caudal, or alittle nearer latter. Pectoral pointed, as long as head or a littleshorter, twice as long as ventral, reaching base of latter or scaled in its basal J or J, with pointed lobes. Caudal peduncle Fig. GnatJionemiis cyprinoides. Fayum (F. N.). 2J to 3 times as long as deep, as long as head or a little shorter. 70-86scales in lateral line, jg^ in transverse series on body, j^^jg in trans-verse series between dorsal and anal, 16 (rarely 18) round caudal , back darker, bluish or greenish ; some young specimens withsmall blackish spots scattered on the body. Total length 300 millim. Nile, from the Delta to the Bahr-el-Gebel, Chad Basin, Niger, UpperCongo. Egypt. 1. Ad. (Type of M. elonc/atus.)2-3. Ad. & Ad. 15. Ad. 16. Skel. 17. Ad. 18. Ad. Lower Nile. Kafr-el-Zayat, Rosetta Nile. Barrage N. of Cairo. Cairo. Wasta, Lower Nile. Beni Souef, Lower Beni ^Sollef and Biba. Dr. Riippell (C). S. S. Allen, Esq. (P.).J. Petherick, Esq. (C).L. Loat, Esq. (C). 112 MOEMTEID^. 19. Ad. 20. Ad. 21-30. Hgr. & Ad. 39. Ad. 40.
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