SCIIILBE. 



297 



ripper profile of head nearly horizontal, the nape ascending very abruptly 

 from the occiput to the dorsal fin ; eye larger and supero-lateral in 

 position, its diameter 4^ to 5j times in length of head in adult, If to 2J 

 times in interocular width, which is less than width of mouth ; maxillary 



Anal 67-75. Caudal with 



barbel not ^j 



length of head in adult. 



Fiff. 239. 



Schilbe iirunoscojius. 

 White Nile (F. N.). i- 



rounded or obtusely pointed lobes. Silvery, back steel-blue, head sea- 

 green ; fins flesh-coloured ; a more or less distinct brown streak on the 

 upper lobe of the caudal fin ; young sometimes with a dark lateral band 

 and a black spot on the dorsal and pectoral fins. 



Lower Nile to Bahr-el-Gebel ; East Africa (Uniamwesi and Ganaua 

 R.)"? — Type in Senckenberg Museum, Frankfort (Main). 



1 . One of the types. 



2. Skel. 

 3-4. Yg. 

 5-10. Yg. 



11. Ad. 

 12-13. Ad. 

 14. Skel. 

 15-20. Yg. 

 21. Hgr. 



22-29. Ad. & l.or. 

 30. Ad. 



Cairo. 



Nile. 



Near Luxor. 



Between Luxor and Assuan. 



Assuan. 



Khartum. 



Wad Medine, Bhie Nile. 

 Near Tonga, between Sobat 



and L. No. 

 Mouth of L. No. 

 Gondokoro. 



Dr. Ruppell (C). 

 L. Loat, Esq. (C). 



J. Tetherick, Esq. (C), 

 L. Loat, Esq. (C). 



