98 MOEM i^EID.5. 



snout short, about -j 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, — -j- in trans- 

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

 round caudal peduncle. Olive-brown, with 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 SCHILTHUISLE. 

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

 Congo, p. 9.5 (1901). 



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

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

 snout 4^ times in length of head ; chin with a moderately developed 

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



Fig. 78. 



(-•'nnfJionfmris schUOni'isic. 

 Type (A. M. C). f 



eye rather largo, as long as snout, f interorbital width. Dorsal 27-28, 

 originating above 4th ray of anal, its length a little less than \ 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, f length of head. 49-54 scales in lateral line, ^^ in 

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



