US 



SCI.ENID.E. 



1. OTOLITHUS SEXEGALENSIS. 

 Cuv. & Val. Hist. Poiss. ix. p. 476 (1833) ; Steind. Sitzb. Ak. Wien, Ix. i. 18G9, 



p. 687, pi. vL, and Xotes Leyd. Mus. xvi. 189i, p. 17 ; Bouleng. Poiss. Bass. 



Congo, p. 385 (1901). 

 Pseudotolitlms typiis, Bleek. Nat. Verli. Go.s Haarlem, xviii. 1863, no. 2, p. 59, 



pi. XV. fig. 1. 



Depth of body 4j to 4^ times in total length, length of head 3f to 3f 

 times ; upper profile between snout and dorsal fiu ne;irly straight. Lower 

 jaw projecting a little beyond upper ; snout a little longer than eye, 

 which is 5| to 6^ times in length of head and nearly equals interocular 

 width ; maxillary extending to or a little beyond vertical of posterior 



riff. 88. 



Ololilhiig senogalensis. 

 Senegal, after iSteiiidachner (I. c). j. 



border of eye ; head covered with scales, except on the lips, which are 

 rather strongly developed. Gill-rakers nearly as long as gill-larainte, 

 9 on lower part of anterior arch. Dorsals IX-X, I 27-30, continuous 

 or subcontinuous ; first spine extremely short, third longest, a little 

 more than | length of head ; longest soft rays hardly ^ length of head. 

 Anal II 7-8, originating under middle of second dorsal ; spines short. 

 Pectoral a little shorter than head. Caudal lanceolate. 50-60 scales 

 in longitudinal series. Silvery, olive or greenish on the back; dark 

 streaks along the oblique series of scales on the back and sides; 

 spinous dorsal greyish. 



Total length 350 millim. 



West Coast of Africa, from the Senegal to the Congo, enterino- 

 rivers. — 'J'ype in Paris Museum. 

 1. Ad. «. Bonny. j_ ^y^g,,^ j.^^ j.p_^_ 



