84 



SYNGNATIIID-E. 



rings, 3 of which belong to the trunk. Anal 2-3. Tectoral and caudal 

 fins well developed, but small. Brown; snout more or less distinctly 

 spotted with black ; tail sometimes with dark annuli ; caudal blackish. 



Total length 170 millim. 

 Niger to Congo. 



Degama, Lower Niger. 

 Old Calabar. 



Benito R. 



Gaboon. 



Fresh-water laeooo, C'hiloango Town. 



Dr. W.J. Ansorge (0.). 

 Dr. Hewan (C.) ; 



Dr. J. A. Smith (P.). 

 G. L. Bates, Esq. (C). 



Dr. ^V. J. Ansorge (C). 



Pig. GO. 



Dori/icJtiJtys smithii. 

 Benito 11. %. 



3. C(ELONOTUS. 



Peters, Mon. Beid. Ac. 1855, p. 465, and Reise Mossanib. iv. p. 106 (1868) ; 

 A. Dmn. Hist. Poiss. ii. p. 541 (1870) ; Giintli. Cat. Fish. viii. p. 188 

 (1870) ; Dunckcr, Mitth. Nat. Mus. Hamb. xxix. 1912, p. 230. 



ITemithylacus, Kanp, (Jat. Lopliobr. Fish, p. 61 (1856) ; A. Dum. t. c. p. 599. 



Body slender, much elongate, the caudal part much elongate ; only 

 one pair of strong ridges, the dorsal, which are continuous on the 

 trunk and tail. Dorsal fiu partly on the trunk and partly on the tail. 

 Anal very small. Pectoral and caudal tins present. Brood-pouch of 

 the male occupying the whole belly, not completely covering the 

 eggs. 



Brackish and fresh waters of Madagascar, the Comoro Islands, and 

 the Malay Archipelago. 



Two species in Africa : — 



i'.ony rings 17 + 38-39 ; D. 42, on 11 rings . . . 1. C. argalus, Peters, p. 85. 

 Bony rings 1 7-18 f 32-35; D. 53-62, on 12-] 3 



2. C. Uaspis, Blkr., p. 85. 



