1. Ad. 





Cairo. 



2. Yg. 





Kosheh, Upper Nile. 



3-4. Hgr. 



, types. 



Khartum. 



5. Yg. 





Wad Medine, Blue Nile, 



6. Yg. 





Abo, Lower Niger. 



7. Yg. 





Agberi, „ 



272 characinidj:. 



arch. Dorsal 23-25 (4-5 unbranched), equally distant from occiput 

 and from caudal. Adipose fin small, equally distant from rayed 

 dorsal and from caudal. Anal 13-14 (3-4 unbranched), its base much 

 shorter tban that of dorsal. Pectoral § to f length of bead. Caudal 

 forked, with acutely pointed lobes. Caudal peduncle as long as deep or 

 a little deeper. Scales 75-85 jjj^, 11-12 between lateral line and root 

 of ventral. Brown above, silvery white below ; sides with numerous 

 round dark spots, disposed irregularly ; dorsal with more or less distinct 

 dark spots, which may form transverse series ; young with a round dark 

 spot at root of caudal. 



Total length 270 millim. 



Nile, Blue Nile, Bahr-el-Gebel, Niger. 



L. Loat, Esq. (C). 



J. Petherick, Esq. (C). 



L. Loat, Esq. (C). 



Dr. W. J. Ansorge (0.). 



13. DISTICHODUS BREVIPINN1S. 



G-iinth. Cat. Fish. v. p. 360 (1864), and Petherick's Trav. ii. p. 247, pi. iii. fig. C 

 (1869) ; Steind. Sitzb. Ak. Wien, lxi. i. 1870, p. 547, pi. iii. fig. 1 ; Bouleng. 

 Ann. & Mag. N. H. (7) viii. 1901, p. 513, and Fish. Nile, p. 146, pi. xxiv. 

 fig. 1 (1907). 



Depth of body 2f to 3 times in total length, length of head 3 to 4 

 times. Head as long as or a little longer than deep, 1^ to 2 times 

 as long as broad; snout broad, rounded, slightly projecting beyond 

 mouth, its length about ■§- to -3- that of head ; eye 3 (young) to 6 times 

 in length of head, interorbital width twice or a little more ; width of 

 mouth 3 or 4 times in length of head ; teeth in two series, outer containing 

 20 (young) to 34; maxillary extending to below nostrils ; upper surface of 

 head with feeble striae. Gill-rakers short, 14-16 on lower part of anterior 

 arch. Dorsal 20-23 (4-6 unbranched), equally distant from occiput 

 and from caudal ; longest rays f to |- length of head. Adipose fin 

 rather large, its base as long as or a little shorter than its distance from 

 dorsal. Anal 13-15 (3-4 unbranched), its base much shorter than 

 that of dorsal. Pectoral -f to f length of head, as long as or slightly 

 shorter than ventral. Caudal forked, with short rounded lobes. Caudal 

 peduncle usually deeper than long. Scales 80-91 ^rrjr,, 18-20 between 



