302 characinid;e. 



Third Group. CITHARININA. 



Characinidae with minute labial teeth and with the dorsal fin 

 rather long. 

 Tropical Africa. 



12. CITHARINUS. 



Citharinus, sp., Cuv. Hbgne Anim. 



Citharinus, Midi. fy Trosch. Hor. Ichthyol. iii. p. 8. 



Dorsal fin placed nearly in the middle of the length of the body ; 

 anal rather long ; vcntrals below the dorsal. Body elevated, covered 

 with small scales ; belly rounded in front of the ventrals. Cleft of 

 the mouth transverse, with very thin lips, each lip with a single series 

 of minute, ciliiform, moveable teeth ; palate toothless. Intestinal 

 tract with numerous circumvolutions. 



Rivers of tropical Africa. 



1. Citharinns geoffroyi. 



Serrasalmo citharinus, Geoff. Descr. Eg. Poiss. tab. 5. figs. 2 & 3. 

 Citharinus geoffroyi, Cuv. Regne Anim. ; Mull. <$• Trosch. Hor. Ichth. 

 iii. p. 9 ; Cuv. <§• Vol. xxii. p. 95. 



B.4. D. 19. A. 28-30. V. 11. L. lat. 80-86. 



The height of the body is more than one-half of the total length 

 (without caudal) ; basal half of the adipose fin scaly. Generally 

 uniform silvery, with the back greenish ; sometimes the whole back 

 and the tail brownish black. 



Rivers of tropical Africa. 

 a. Adult. Lower Nile. From Dr. E. Riippell's Collection. 

 b-d. Fine specimens. Chartoum. From Consul Petherick's Collection. 

 e-f. Adult : bad state. Gambia. Presented by the Earl of Derby. 

 g-mi. Young. West Africa. Purchased of Mr. Stevens. 



2. Citharinus latus. 



Citharinus latus (Ehrenb.), Mull, fy Trosch. Hor. Ichth. iii. p. 9. tab. 1. 

 fig. 2 (dentition). 



D.22. A. 26. V. 11. L. lat. 68. 



Adipose fin larger than in the preceding species. 



Nile. 



Midler and Troschel distinguish this second species of Citharinus, 

 to which none of our specimens can be referred ; Valenciennes doubts 

 its validity. 



