124 



MOEMTRID^. 



10th ray of anal, its length once and J in its distance from head. Anal 36, 

 equally distant from base of ventral and from base of caudal. Pectoral 

 pointed, J length of head, twice as long as ventral, extending beyond 

 base of latter. Caudal scaled, with pointed lobes. Caudal peduncle 



Tier. 103. 



GnaiJionemiis curvirosiris. 

 Type (A. M. C). i. 



90 scales in lateral 



4 times as long as deep, more than ^ length of head, 

 line, .22 in transverse series on body, j'^ in transverse series between 

 dorsal and anal, 16 round caudal peduncle. Pale brownish above, 

 whitish below. 



Total length 370 millim. 



Lower Congo (Matadi). — Type in Congo Museum, Tervueren. 



U. GNATHONEMUS NUMENIUS. 

 Boulcng. Ann. Mus. Congo, Zool. i. p. 11, pi. vi. fi^. 2 (1898), Proc. Zool. See. 

 1898, p. 811, and Poiss. Bass. Congo, p. 107 (1901). 



Depth of body 4f to 5 times in total length, length of head 2f to 2J 

 times. Upper profile of head convex ; snout produced into an extremely 

 long, compressed tube, feebly curved downwards, its length, in the adult, 

 5 to 5| times postocular part of head, and 20 times its least depth, 

 which equals diameter of eye ; latter f interorbital width ; lower jaw 

 with a compressed dermal appendage nearly as long as eye ; teeth 

 conical, 7 in upper jaw, 4 or 6 in lower. Dorsal 27-o4, originating 

 above 8th or 9th ray of anal, its length 1| to 1| times in its distance 

 from head. Anal 29-37, equally distant from base of ventral and from 

 base of caudal. Pectoral pointed, less than J length of head, almost twice 

 as long as ventral, and extending almost to extremity of latter. Caudal 



