CHEYSICHTHYS. 



327 



Total length 220 millim. 



Lower Nile to Bahr-el-Gebel ; Chad Basin. — Type in Paris 

 Museum. 



Dr. Riippell (C). 



L. Loat, Esq. (0.). 



1. Ad., type 



of 



Lower Nile. 



C. mdcrops. 





2-3. Ad. 





Near Damietta, in fresh 

 water. 



4-9. Hgr. 





Near Ghet-el-Nassara, L. 

 Menzaleli,in fresh water. 



10-19. Ad.&l 



igr. 



Nile near Samanmid. 



20. Skel. 





5J T> 



21-22. Yg. 





Damietta Nile, upstream 

 side of barrage. 



23-25. Ad. 





Cairo. 



26,27-30. Ad. 



& 



Near Cairo. 



31-38. Ad.&li 



gr. 



Beni Souef. 



39-40. Ad. 





Lalmii, Bahr Yusuf, 

 Fayum. 



41-42. Hgr. 





Bahr Selali, Fayum. 



43-47. Yg. 





Near Luxor. 



48. Yg. ' 





Between Luxor and Assuan. 



49-50. Hgr. 





Wady Haifa. 



51-52. Yg. 





Kosheh, Nubia. 



53-57. Ad. & hgr., Khartum, 

 types of C. auratus. 



58. Skel. Khartum. 



59. Hgr. Nur-el-Daim, White Nile. 



60. Ad. Between Khartum and 



Sobat. 



61. 62-65. Yg. Gondokoro. 



GG. Ad. Fort Lamy, Sliari R. 



Capt. S. Flower (P.) 

 L. Loat, Esq. (0.). 



J. Petherick, Esq. (C.J. 



L. Loat, Esq. (C). 



Mr. P. C. Zaphiro (C.) ; 



W.N. MacMillan, Esq. (P.). 

 L. Loat, Esq. (C). 

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



8. CHRYSICHTHYS RUEPPELLI. 



Chrysichtliys auratus (non Geoffr.), Gtinth. Cat. Fish. v. p. 71 (1864), and 



Petherick's Trav. ii. p. 229 (1869). 

 Chrysichtliys auratus, part., Giinth. Proc. Zool. Soc. 1899, p. 718, fig. 1. 

 Chrysichtliys rueppelli, Bouleng. Fish. Nile, p. 337, pi. lx. fig. 2 (1907). 



Depth of body 4 to \\ times in total length, length of head o\ to 

 3^ times. Head moderately depressed, 1^- to \\ times as long as broad, 

 its upper surface smooth, covered with thick skin ; occipital process 

 narrow, extending to the small interneural shield; snout broadly 



