818 MB. 6. A. BOTTLENGER ON THB FISHES [NoV. 15, 



lScrophicej^>lialus kanume, Eiipp. Verz. Mus. Seuckenb. iv. p. 27 

 (1852). 



? Mormyrm hildebrandti, Peters, Sitzb. Ges. naturf. Fr. Berl. 

 1882, p. 73. 



Depth of body 3| to 4| times iu total length, length of head 

 4 to 4k. Upper profile of head descending in a strong curve ; 

 snout much produced, about as long as the postocular part of the 

 head, its length 2i to 3 times its least depth ; mouth very- 

 small, with thick lips ; teeth small, notched, 5 or 7 in the 

 upper jaw, 8 or 10 in the lower ; eye small, its diameter 2 or 

 3 tiuies in interorbital width. Dorsal 58-66, originating above or 

 slightly in advance of base of ventral, 4-4| times as long as anal, 

 as long as or a little longer than its distance from the end of the 

 snout. Anal 18-21, originating at equal distance from the base 

 of the pectoral and that of the caudal. Pectoral pointed, § to | 

 length of head, ventral k- Caudal with obtusely pointed lobes. 

 Caudal peduncle 1| to 2 as long as deep, nearly g length of head. 



80-95 scales in the lateral line, 1^:53 in a transverse series on the 

 body, 35-42 in a transverse series between dorsal and anal, 26 or 28 

 round caudal peduncle. Brownish or olive above, white beneath. 



Total length 480 millim. 



Nile ; Victoria-Nyanza. — The type of M. hildebrandti is from 

 the Adi E., Ukamba, E. Africa. 



12. MOEMYEXJS CABALLtJS. 



Mormyrus cahallus, Bouleng. Ann. Mus. Congo, Zool. i. 1898, 

 p. 16, pi. viii. fig. 1. 



Depth of body equal to length of head, 3| times in total length. 

 Upper profile of head descending in a curve ; snout produced, as 

 long as the postocular part of the head, its length about twdce its 

 least depth ; mouth very small, with thick lips ; teeth small, 

 notched, 7 in the upper jaw, 10 in the lower ; eye moderate, 

 its diameter 4 times in length of snout and li in interorbital 

 width. Dorsal 62, originating above base of ventral, 3 times as 

 long as anal, as long as its distance from the end of the snout. 

 Anal 23, originating at equal distance from the head and the base 

 of the caudal. Pectoral rounded, hardly h length of head, ventral 

 f . Caudal densely scaled, with obtusely pointed lobes. Caudal 

 peduncle 2| as long as deep, ^ length of head. 85 scales in the 

 lateral line, ^^ in a transverse series on the body, 32 in a trans- 

 verse series between dorsal and anal, 12 round caudal peduncle. 

 Bluish grey above, vinaceous pink below ; fins pink. 



Total length 500 millim. 



Upper Congo. 



13. MOEMYEUS PEOBOSCIEOSTEIS. 



Mormyrus prohoscirostris, Bouleng. Anu. Mus. Congo, Zool. i. 

 1898, p. 16, pi. viii. fig. 2. 

 Depth of body 4^ times in total length, length of head 3|. 



