310 



SILUEID.E. 



narrowly separated. Anal 12-14 (8 or 9 rays branched). Pectoral 

 about f to f length of head, its spine moderately strong, feebly serrated 

 on inner side. Ventral equally distant from eye and from caudal, or a 

 little nearer latter. Caudal deeply forked, upper lobe produced into 

 a long filament. Caudal peduncle not or but little longer than deep. 

 Greyish blue to dark olive above, white beneath, the whole body 

 sometimes shot with gold and green ; some blackish may be present on 

 the dorsal, anal, and ventral fins; blackish dots sometimes present on 

 the posterior part of the back and on the adipose fin. 



Total length 600 millim. 



Nile Delta to Lake Victoria and Shoa tributaries of Blue Nile ; 

 Ganana River, Lake Stephanie, Omo and Sagan Rivers. 



1-5. Ad., hgr., & Lower Nile. 



.' »• 

 6. Skel. ,. 



7-10. Ad., hgr., Nile near Sainannud. 



11-14. Hgr. & yg. Cairo. 



15-18. Ad. & yg. Near Cairo. 



19. Hgr. Birket Karun. 



20. Ad. 

 21-23. Hgr. 



24. Hgr. 



25. Yg. 



26. Hgr. ■ 

 27-29. Hgr. & yg. 

 30-39. Yg. 

 40-41. Hgr. 

 42-51. Yg. 

 52-60. Ad., hgr., 



61. Ad. 

 G2. Hgr. 



63. Hgr. 



64. Hgr. 



65-G9, 70-73, 74- 

 75. Hgr. & yg. 



76. Hgr. 



77. Ad. 



78-80. Hot. & VO-. 



81. Y-. 



Biba. 



Beni Souef. 



Sanhur. 



Assiut. 



Between Assiut and Abu Tig, 



Luxor. 



Near Luxor. 



Edfu. 



Between Luxor and Assuan. 



Assuan. 



Mirrwau, Nubia. 



Korosko, „ 



Derr, „ 



Ciitaract at Hannak, Nubia. 



Khartum. 



Onidurman. 



Tewfikyeh, Wliite Nile. 

 Bnnjako, L. Victoria. 

 Bndilu (Joa>t, L. Victoria. 



J. Petherick, Esq. (C). 



Dr. Ruppell (C). 

 L. Loat, Esq. (C). 



Dr. Ruppell (C). 



L. Loat, Esq. (C). 



Dr. W. A. Cunnington and 



C. L. Boulenger, Esq. (C). 

 L. Loat, Esq. (C). 



J. Petherick, Es(i. {(l). 



L. Loat, E.sq. (C). 



]\lr. E. Docron (C). 

 Mr. M. gimon (C). 



