CITIIAEICIITIITS. — CTNOGLOSSUS. 5 



uniform or with darker spots or blotches ; a more or less distinct series 

 of small blackish spots along dorsal and anal. 

 Total length 160 millim. 



Both coasts of the Tropical and Subtropical Atlantic ; rivers of West 

 Africa, from Senegambia to Angola. 

 1--. Ad. Lagos Lagoon. 



3-4. Two of the types. Niger. 

 0-8. Ad. & bgr. Degama, Lower Niger. 



9-10. Ad. Benito R., Spanish Guinea. 



] 1-12. Ad. Chiloango Town. 



13-U. Ad. Bengo R. at Quifangondo, 



Angola. 



Fig. 2. 



Major G.E.Bruce (P.). 

 Mr. L. Fraser (C). 

 Dr. W. J. Ansorge (C). 

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

 Dr. W. J. Ansorge (C). 



Cithanchtliys spiJnpterus. 

 Lagos. 



2. CYNOGLOSSUS. 

 Ham. Buchan. Fishes Ganges, p. 32 (1822) ; Gunth. Oat. Fish. iv. p. 492 (18G2). 

 Jrelia, Kaup, Arch. f. Naturg. 1858, p. 107. 



Eyes on the left side. Mouth small, asj-mmetrical, snout produced 

 beyond it and hooked; teeth minute, on the right side only; no teeth 

 on the palate ; gill-openings narrow. Dorsal fin originating on the 

 snout; caudal confluent with dorsal and anal ; pectoral absent, ventral 

 small, with 4 rays. Scales small, ctenoid on coloured side; two or 

 three lateral lines. Vertebrae 46-60. 



Indian Ocean and West Coast of Africa, some species entering fresh 

 waters. A single species in West African rivers. 



