Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . Gnathonemus monteiri. Type. Total length 450 , Lake Bangwelu. 1-3. Hgr., types. Boma, Lower Congo. J. J. Mouteiro, Esq. (C.) 4. Ad. i) » M. P. tfelhez (C). 5. Skel. »> » >> 6-7. Ad. Irebu, Upper Congo. » 8. Ad. Upper Congo. Brussels University. 9-10. Ad. L. Bangwelu. F. H. Melland, Esq. (P-) 13. GNATHONEMUS mento, Bouleng. Ann. & Mag. N. H. (6) vi. 1890, p. 193 ; Steind. Notes Leyd. Mus. xvi. 1894, p. mento, Bouleng. Proc. Zool. Soc. 1898, p. 807. Depth of
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . Gnathonemus monteiri. Type. Total length 450 , Lake Bangwelu. 1-3. Hgr., types. Boma, Lower Congo. J. J. Mouteiro, Esq. (C.) 4. Ad. i) » M. P. tfelhez (C). 5. Skel. »> » >> 6-7. Ad. Irebu, Upper Congo. » 8. Ad. Upper Congo. Brussels University. 9-10. Ad. L. Bangwelu. F. H. Melland, Esq. (P-) 13. GNATHONEMUS mento, Bouleng. Ann. & Mag. N. H. (6) vi. 1890, p. 193 ; Steind. Notes Leyd. Mus. xvi. 1894, p. mento, Bouleng. Proc. Zool. Soc. 1898, p. 807. Depth of body 3| times in total length, length of head 5 times. Headas long as deep, with strongly curved upper profile ; snout -x% length ofhead; a strong mental swelling; teeth notched, 5 in upper jaw, 6 inlower; eye moderate, ?§ length of snout, about f interorbital 29-33, originating above 9th ray of anal, its length twice in itsdistance from head. Anal 36, equally distant from base of ventral and GNATIIONEMUS. 107 from base of caudal. Pectoral a little shorter t
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