CITHAEINUS. 



295 



at least as long as head. Adipose fin much longer than deep, its base 

 f to f its distance from dorsal. Anal 25-29 (3-4 unbranched), 

 pointed, anterior rays produced. Pectoral about f length of head, 

 reaching, or nearly reaching, ventral. Caudal forked. Caudal peduncle 



Fig. 225. 



Cithariii us m acrolepis. 

 Type (A. M. C). |. 



as long as deep or a little longer. Scales 55-60 |^||, 10-12 between 

 lateral line and root of ventral. Silvery, bluish grey on the back. 



'J'otal length 750 millim. 



Congo. — Types in Congo Museum, Tervueren. 



1. Hgr., one of the types. Boma, Lower Congo. M. P. Delliez (C). 



2. Ad., „ (latavacts of Manyanga. Capt. Wilverth (C). 



3 4. Ad. Monseinbe, Upper Congo. Kev. J. II. Weeks (P.). 



4. CITHARINUS LATUS. 



Miill. & Troseh. Hor. Iclitliyol. i. p. 9 (1845); Steind. Sitz. Ak. Wien, Ixi. i. 1870, 



p. .5^9 ; Pfeff. Tliierw. O.-Afr., Fische, p. 42 (189G) ; Bouleng. Ann. Mus. 



Congo, ZooL i. p. 93 (1899), and Fish. Nile, p. 15(), pi. xxvi. (1907). 



Depth of body If to 2 times in total length, length of head 3-1 to 4 



times. Head If to 2 times as long as broad, its upper profile more or 



less concave ; snout as long as or slightly longer than eye in adult, 



shorter in young, projecting slightly beyond mouth ; diameter of eye 



81 (young) to A\ times in length of head ; a narrow adipose lid in front 



of and behind eye; interorbital width 2} to 2^ times in length of head. 



