204 



Mr. C. T. Regan on the Clupeid Fishes 



compiisinfj 2 or 3 strongly enlarged teeth on each side. 

 Vericbrae 42. 



Fig. 1. 



Pleads of 1. Cynothrissa mento, 2. Potamotlmssa ohtusirostris (x 2^). 



1. Cijnothrissa mento^ sp. n. (Fig. 1, 1 .) 

 Fellomila vorax (part.), Bouleng. Cat. Afr. Fish. i. p. 15G. 



Depth of body 4 in the lengtji, lengtli of head (without 

 lower jaw) 3f. Snout longer than diameter of eye, which is 

 3f in length of head ; niaxillary extending to below anterior ^ 

 of eye. 19 gill-raker.s on lower part of anterior arch. About 

 45 i-cales in a longiiuiiinal series, 14 in a transverse series ; 

 ventral scutes 15 + ^>. Dorsal 17; origin above base of 

 pel vies, equidistant ironi end of snout and base of caudal. 

 Annl 21. Caudal peduncle longer than deep. 



Kigei ia. 



A single specimen^ 130 mm. in total length, from Agberi, 

 Soul hem Nigeria. 



This new species is distinguished from C. ansorgii by the 

 more slendtr form, fewer gill-raker.«, and more numerous 

 anal rays. 



2. Cyhotlirissa av!ior(]ti. 



Pellovula vorax (part.), Bouleng. Cat. Afr. Fi&h. i. p. ]56 (1909). 

 Odaxothrissa aiisurgti, Boulenger, op. cit. iv. p. 172, tig. 11:^ ^1916). 



Depth of body 3 to 3^ in the length, length of head 

 (without lower jaw) 3? to 4. iSnout as long as or longer 

 than diameter of eye, which is 3 to 4 in knglh of head; 

 niaxilhiry extending to below anterior ^ or middle of eye. 

 23 to 25 gill-iakers on lower jiart of anterior arch. 42 to 45 

 scales in a longitudinal serie.«, 14 or 15 in a transverse 

 seiiesj ventral scutes 13-16 + 9-11. Dorsal 15-17; origin 



I 



