370 



SILURID^. 



dorsal and caudal fins, where they are separated by a narrow network of 

 the pale ground-colour. 



Total length 510 millim. 



Lower Nile to Blue Nile and Bahr-el-Gebel ; Lake Kudolf; Lake 

 Chad, Senegal ; Niger ; Congo ; Lakes Tanganyika, Mweru, and 

 Bangwelu. — Type in Paris Museum. 



Fig. 2S0. 



1. Ycr. 



2. Yg. 

 3-4. Yg. 



5-y. Hgr. & yg. 

 10-lL Hgr. 

 12-13. Ad. 

 14-15. Yg. 

 IG. Ad. 



17-18. Ad. & hgr. 

 19. Ad. 



20-24. Ad. & hgr. 

 25. Head of ad., dry 

 26-28. Yg. 



29. Ad. 



30. Ad., stuffed. 

 31-32. Ad. 8: hgr. 

 33. Ad. 



yl ucheno(jlanis occidentalis. 

 iMoiith of L. No (F. X.). 1 



Near Luxor. 



Between Luxor and Assuan, 



Kosheh, Nubia. 



Khartum. 



Onidurnian. 



Wad Medine, Blue Nile. 



Goz-abu-Guniah, White Nih". 



(.Thai l)-el-Aish, „ 



Fashoila, ,, 



Mouth of L. No, „ 



Gondokoro, Bahr-el-Gebel. 



L. Chad. 



Fort Lamy, Shari R. 



Kaedi, Senegal. 



Senegal. 



McCarthy Id., Ganiliia. 



Mureji, Upp. Niger. 



L. Loat, Esq. (P.). 



J. Petherick, Esq. ((^). 

 L. Loat, Esq. (C.). 



Capt.G.B. Gosling (P.). 

 M. P. Delhez (C). 

 J.S. BudgettjEsq. (P.). 



