4 I'LEUKONECTlD.i:. 



only ; ventral fins witli 1 to 7 soft rays and no spine. Vcrtcbnc 24 to 65. 

 Air-bladder absent. 



Distribnted over the seas of the whole world ; a few species confined 

 to or entering fresh waters. The latter, in Africa, belonging to two 

 genera : — 



Cleft o£ month wide, with teeth of unequal size ; 



lateral line sinjrln ; pectoral fins present ; 



caudal fin distinct from dorsal and anal ... 1. Citharichtlii/s, Blkr., p. 1. 

 Mouth small, tooth minute; two or throe lateral 



lines ; no jicctoral fins : caudal fin conHiiont [p. 5. 



with dorsal and anal '2. C;/ nor/Ions us, Ham. Bucli., 



1. CITHARICHTHYS. 



Block. Vorsl. Ak. Amstord. xiii. Ii<u2, p. i21 : Giintli. Cat. Fi>h. iv. p. 120 

 (18(52). 



Eyes on the left side. Mouth wide, with teeth of unequal size, in a 

 single series in both jaws; no teeth on the palate; gill-membranes 

 broadly united below tlie throat. Dorsal fin originating on the snout ; 

 caudal distinct ; pectoral and ventral well develojjed, the latter with G 

 rays. Scales rather small, ctenoid on coloured side ; lateral line single, 

 straight. Vertebnu o3 to 40. 



North Pacific and Tropical Atlantic Oceans; one species ascending 

 rivers in West Africa. 



1. CITHARICHTHYS SPILOPTERUS. 



Giintli. t. c. p. 421 ; Stoind. Sitzh. Ak. Wion, Ix. i. 1870, ]>. 07.^ : .lord. & Goss, 

 ]{ep. U.S. Fish Conun. f. 18SG, p. 27ti (ISS'.t) ; Jord. it Everm. Fish. 

 N. Amer. iii. p. 2G85 (1808). 



Citharifhfhi/s (/iKilimalensis, Bleek. Nodorl. Tijdschr. Dierk. ii. 18G4. p. 7>'5. 



IJetnirhomhus fiiscits, Poej-, Bepert. fis.-nat. Cnha, ii. p. lOG (1808). 



Jlemirhonihits stampjfii, Steind. Notes Loyd. I\Ius. .\vi. 181'1, p. 52, pi. iii. fi^. .S. 



Depth of body 2 to 2^ times in total length, length of head 3.j to 

 3| times. Eyes nearly exactly superposed, narrowly separated from 

 each otlier, diameter 5 to 7 times in lengtli of head ; jaws equal in 

 front, upper extending to below centre or posterior border of eye ; 

 anterior teeth largest. Gill-rakers rather long, 14-10 on lower part of 

 anterior arch. Pectoral about i length of head. Djrsal 77-8C. Anal 

 57-04. Caudal rounded. Scales 45-52 j^^g. Coloured side brown. 



