98 



MOEMYEID^. 



snout short, about ^ length of head ; mouth on a level with lower border 

 of eye ; a globular dermal swelling on the chin ; teeth notched, 3 or 5 

 in upper jaw, 5 or 6 in lower ; eye moderate, a little shorter than snout, 

 ^ interorbital width. Dorsal 23-24, its length If to 2 times in its 

 distance from head. Anal 26-28, originating in advance of dorsal. 

 Pectoral a little shorter than head, just reaching origin of ventral. 

 Caudal scaled at the base, with long pointed lobes. Caudal peduncle 2^ 

 to 3 times as long as deep. 44-45 scales in lateral line, -^ in trans- 

 verse series on body, = in transverse series between dorsal and anal, 8 

 round caudal peduncle. Olive-brown, Avith darker longitudinal lines 

 along the series of scales ; a black vertical band from anterior rays of 

 dorsal to anterior rays of anal. 



Total length 150 millim. 



Alima R., Upper Congo. — Types in Paris Museum. 



,3. GNATHONEMUS SCHILTHUISI^E. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 73, pi. xxxiii. fig. 4 (1899), and Poiss. Bass. 

 Congo, p. 9.5 (1901). 



Depth of body 4 times in total length, length of head i^ times. Head 

 scarcely longer than deep, with strongly curved upper profile ; length of 

 snout i^ times in length of head ; chin with a moderately developed 

 globular swelling ; teeth deeply notched, 5 in upper jaw, 6 in lower ; 



G natlionemus scJiiltJiuisio'. 

 Type (A. M. C). f. 



eye rather large, as long as snout, | interorbital width. Dorsal 27-28, 

 originating above 4th ray of anal, its length a little less than i its 

 distance from head. Anal 33. Pectoral pointed, a little shorter than 

 head, twice as long as ventral, reaching beyond base of latter. Caudal 

 scaled at the base, with long pointed lobes. Caudal peduncle 3 times 

 as long as deep, | length of head. 49-54 scales in lateral line, - in 



8 15 



transverse series on body, g in transverse series between dorsal and anal, 



