CHRYSICHTHTS. r>27 



Total length 220 millim. 



Lower JS'ile to Bahr-el-Gebel ; Chad Basin. — Type in Paris 

 Museum. 



1. Ad., type of Lower Nile. Dr. Riii.pell (C). 



( '. macrops. 

 2-3. Ad. Near Daniietta, in fresh L. Loat, Esq. (C). 



water. 

 4-9. Hgr. Near Gliet-el-Nassara, L. „ 



Menzaleb, in fresh water. 

 10-19. Ad. & hgr. Nile near Satnannud. ., 



20. Skel. 

 21-22. Yg. Daniietta Nile, upstream ,, 



side of barrage. 

 23-25. Ad. Cairo. 



2(5, 27-30. Ad. & Near Cairo. Capt. S. Flower (P.). 



yg- 



31-38. Ad. & hgr. Beni Souef. L. Loat, Esq. (C). 



39-40. Ad. Lahnn, Bahr Yusuf, „ 



Fay urn. 



41-42. Hgr. Bahr Selah, Fnyiun. 



43-47. Yg. Near Luxor. „ 



48. Yg. Between Luxor jindAssuan. ,, 



49-50. Hgr. W^dy Haifa. 



51-52. Yg. Kosheh, Nubia. 



53-57. Ad. & hgr., Khartum. J. Petherick, Esq. (C.;. 



types of C. aurahis. 



58. Skel. Khartum. „ 



59. Hgr. Nur-el-Daim, White Nile. L. Loat, Esq. (C). 



60. Ad. ]5etween Khartum and Mr. P. C. Zaphiro ((;.) ; 



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



01, G2-G5. Yg. Gondokoro. L. Loat, Esq. (C.). 



r,(;. Ad. Fort Lamy, Shari K. Capt. G. B. Gosling (P.). 



8. CHRYSICHTHYS RUEPPELLI. 



C/iri/sicJtthys auratus (non Geoffr.), Guiitli. Cat. Fish. v. j). 71 (18G4), and 



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

 Chrys'u-lithjs cmratus, part., Giinth. Proc. Zool. Soc. 1899, p. 718, fig. 1. 

 Chrysicldlnjs riieppelli, Bouleng. Fish. Nile, p. 337, pi, Ix. tig. 2 (1907). 



Depth of body 4 to 4J times in total length, length of head 3J to 

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

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

 narrow, extending to the small interncural shield; snout broadly 



