DISTICIIODUS. 



'll:y 



disappearing gradually with age ; vertical fins greyish, sometimes blackish 

 at the edge, the dorsal with numerous small round darker spots. 



Total length 700 millim. 



Nile, White Nile, T.^ke Rudolf. 



Dr. Hiippell (C). 



J. Petherick, Esq. (C). 



L. Loat, Esq. (C). 



J. Petherick, Esq. (C). 

 L. Loat, Esq. (0.). 



Dr. Donaldson Smith (C). 



15. DISTICHODUS ROSTRATUS. 

 Salmo niloticus, part., Linn, in Hasselq. Reise Falsest, p. 422 (1762). 

 Salmo cegijptiacus, part., Gmel. Syst. Nat. i. p. 1386 (1788). 

 Chararlnns nefasch, part., Lacep. Hist. Poiss. v. p. 274 (1803) ; GeofFr. Descr. 



Egypte, Poiss. p. 44, pi. v. fig. 1 (180D). 

 Citharinus nefasch^ part., Riipp. Beschr. n. Fische Nil^ p. 5 (1829). 

 Distichodus nefasch, part., Cuv. k Val. Hist. Poiss. xxii. p. 175 (1849). 

 Distichodiis rostratus, Giinth. Cat. Fish. v. p. 360 (1864), and Petherick 's Trav. ii. 



p. 246, pi. iii. fig. B (1869) ; Bouleng. Ann. k Mag. N. H. (7) viii. 1901, 



p. 513, and Fish. Nile, p. 143, pi. xxiii. fig. 2 (1907). 

 Distichodus martini, Steind. Sitzb. Ak. Wien, Ixi. i. 1870, p. 549, pi. iii. fio-. 2. 



Very nearly related to the preceding, differing only in the somewhat 

 larger scales, 83-98 j|^^J, 13-15 between lateral line and ventral. 

 Coloration also the same. 



Total length 620 millim. 



Lower Nile to Victoria Nile, Lake Chad, Senegal, Niger. 



1. Type. Lower Nile. J. Petherick, Esq. (C). 



2. Yg. Beni Soucf, Lower Nile. L. Loat, Esq. (C). 

 3-4. H^r. k yg. Near Luxor. „ 



5. Yg. Kosheh, Upper Nile. „ 



6. Hgr. Gondokoro, Bahr-el-Gebel. „ 



7. Head of ad. Fajao, Victoria Nile. J. S. Budgett, Esq. (P.). 



8. H<rr. Lake T^had. Capt. G. B. Gosling (P.). 



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