1898.] OF THE FAMILY MOEMTEID^. 785 



peduncle 2^ as long as deep, | length of head. 93 scales in the 

 lateral line, ^ in a transverse line on the body, 21 in a transverse 

 line between dorsal and anal, 18 round caudal peduncle. Pale 

 brownish. 



Total length 410 milhrn. 



Upper Congo. 



8. MOEJITEOPS SIEENOIDES. 



Mormyrops sirenoides, Bouleug. Ann. Mus. Congo, Zool. i. 1898, 

 p. 4, pi. i. fig. 2. 



Depth of body 7 times in total length, length of head 6. Head 

 H as long as deep, with straight, declivous upper profile ; snout 

 rounded, projecting a little beyond the mouth ; width of mouth 

 greater than length of snout; teeth truncate, 12 in each jaw ; eye 

 very small, situated in the anterior third of the head, its diameter 

 3 times in length of snout, 4 times in interorbital width. Dorsal 

 30, I length of anal, originating Ig as far from the end of the 

 snout as from the base of the caudal. Anal 47, originating 

 considerably in advance of dorsal (its 14th ray corresponding to 

 the first dorsal ray), and at nearly equal distance from end of snout 

 and root of caudal. Pectoral a little more than j length of head, 

 ventral g. Caudal small, densely scaled, with rounded lobes. 

 Caudal pedimcle 2i as long as deep, | length of head. 90 scales 

 in the lateral line, ^^ in a transverse line on the body, 20 in a 



transverse line between dorsal and anal, 18 round caudal peduncle. 

 Uniform dark brown, somewhat lighter beneath. 



Total length 630 millim. 



Upper Congo. 



9. MOEMYEOPS LINEOLATUS. 



Mormyrops lineolatus, Bouleng. Ann. Mus. Congo, Zool. i. 1898, 

 p. 5, pi. ii. fig. 2. 



Depth of body 6 times in total length, length of head nearly 5 

 times. Head 1| as long as deep, upper pi'ofile slightly concave ; 

 snout rounded ; jaws equal ; width of mouth nearly equal to length 

 of snout ; teeth truncate, 16 in each jaw ; eye very small, situated 

 in the anterior third of the head, its diameter 3 times in length of 

 snout, 2| in interorbital width. Dorsal 29, f Lngth of anal, 

 originating 1| as far from the end of the snout as from the base of 

 the caudal. Anal 48, originating considerably in advance of dorsal 

 (the 11th ray corresponding to the first dorsal ray), and a little 

 nearer head than root of caudal. Pectoral | length of head, 

 ventral not quite 5. Caudal small, densely scaled, with rounded 

 lobes. Caudal peduncle as long as deep, -J- length of head. 80 



scales in the lateral line, 55 in a transverse line on the body, 23 in 

 a transverse line between dorsal and anal, 16 round caudal 

 peduncle. Pale brown, with dark lines along the series of scales. 



Total length 400 milUm. 



Upper Congo. 



