1898.] OF THE FAMILY MOBMTEID^. 805 



width. Dorsal 23-24, originating above 5th to 8th ray of anal, 



its length about 2i in its distance from head. Anal 28-32, 

 a little nearer base of caudal than base of ventral. Pectoral ob- 

 tusely pointed, shorter than head, reaching base of ventral or a 

 little" beyond. Caudal with obtusely pointed lobes. Caudal 

 peduncle 3 times as long as deep, nearly as long as head. 58-68 

 scales in the lateral Hne, ^^ in a transverse line on the body, ^ 

 in a transverse series between dorsal and anal, 14 or 16 round 

 caudal peduncle. Silvery, brownish on the back, sometimes with 

 bi'own blotches. 



Eeaches a length of 320 millim. 



Zambezi. 



7. GrNATHONEMTIS CYPRINOIDES. 



Mormyrus cyprinoides, Linn. Mus. Ad. Frid. ii. p. 109 (1764), and 

 S. N. i. p. 522 (1766) ; Cuv. & Val. xix. p. 265 (1849) ; Giinth. 

 Cat. vi. p. 218 (1866). 



Mormyrus salaliie, Lacep. Poiss. v. p. 619 (1S03). 



Mm'myrus labiatus, Geoffr. Descr. Egypte, Poiss. p. 275, pi. vii. 

 fig. 1 (1829); Eiipp. Fortsetz. Beschr. n. Pische Nil, p. 9, pi. ii. 

 fig. 2 (1832). 



Mormyrus elongatus, Eiipp. 1. c. fig. 1. 



Mormyrus ahhreviatus, Cuv. & Val. t. c. p. 270. 



Mormyrops cyprinoides, Marciisen, Bull. Ac. St. Petersb. xii. 

 1854, p. 14. 



Mormyrops elongatus, Marcuseu, 1. c. 



Mormyrus ahhreviatus, Marcusen, 1. c. 



Mormyrops labiatus, Marcusen, Mem. Ac. St. Petersb. (7) vii. 

 1864, no. 4, p. 137. 



Gnathonfmus cyprinoides, Bouleng. Ann. Mus. Congo, Zool. i. 

 1898, p. 11. 



Depth of body 3g to 5 times in total length, length of head 4| 

 to 5|. Head slightly longer than deep, with curved upper profile ; 

 snout about 5 length of head ; mouth small, on a line with 

 lower border of eye ; chin with a globular dermal appendage ; teeth 

 minute, conical, 5 in the upper jaw, 6 in the lower ; eye moderate, 

 I to I length of snout, f to | interorbital width. Dorsal 26-28, 

 originating above 6th to 9th ray of anal, its length 2 to 2| in its 

 distance from head. Anal 32-35 \ equally distant between base 

 of ventral and base of caudal, or a little nearer the former. 

 Pectoral pointed, as long as head or a little shorter, twice as 

 long as ventral, reaching base of latter or beyond. Caudal 

 scaled in its basal half, with pointed lobes. Caudal peduncle 2| 

 to 3 times as long as deep, as long as head or a little shorter. 70 

 -86 scales in the lateral line, ^5^. in ^ transverse series on the 

 bodv, ^1=^ in a transverse series between dorsal and anal, 16 round 



' The posterior rays produced in the males {M, elongatus Eijpp.). 



