LA.TES. 



107 



scaled, at least at base. Caudal peduncle as long as deep or a little louger 



than deep. Scales 60-SO 



8-12 

 22-24' 



Uniform brown or olive above in the 



adult, silvery beneath, sometimes tinged with yellow, young usually (occa- 

 sionally up to a length of 250 millimetres) marbled with brown, sometimes 

 uniform ; very young specimens (under 70 millimetres) with more or less 

 irregular dark brown cross-bands, the first of which extends on the deepest 

 part of the dorsal fin ; fins whitish, dark at the base in the young. 



Reaches a length of 1800 millim. 



Nile, Senegal, Niger, Lakes Chad, Rudolf, and Abbaya, Congo. 



Dr. J. C. Mitchell (P.). 

 L. Loat, Esq. (C.). 



J. Petherick, Esq. (C). 

 L. Loat. Esq. (C.) 



Dr. J. Anderson (P.). 

 L. Loat, Esq. (C). 



1-2. Yg. 





L. Menzaleh. 



3-4. Hgr. 





Near Ghet-el-Nassara, 

 L. Menzaleh. 



5. Yg. 





Lower Nile. 



6-14. Yg. 





Samannud. 



15-16. Ad. 



& hgr. 



Barrage N. of Cairo. 



17-26. Hgi 



, & Yg. 



Beni Souef. 



27-31. Ad. 



& yg- 



Birket Karun. 



32. Skel. 





-i 



33-34, 35-38. Hgr. 



Near Luxor. 



& yg- 







39. Yg. 





Between Luxor and Assuan. 



40-41. Yg. 





Kosheh, Nubia. 



42-43. Hgi 





Khartum. 



44. Ye. 





Rosaires, Blue Nile. 



45. Yg. 





Fashoda. 



46. Hgr. 





Polkom, Baro R. (Sobat). 



47-48. Yg. 





Mouth of L. No. 



49-58. Yg. 





L. No. 



59. Ad. 





Butyaba, L. Albert. 



60. Hgr. 





R. Shari-wasu, at Maidugari 



61. Yg. 





R. Yo, L. Chad. 



G2. Hgr. 





Kano, Hadeya R., L. Chad. 



63. Yg. 





Komadugu R., ,, 



64. Hgr. 





St. Louis, Senegal. 



65-69. Yg. 





Kaedi, „ 



70. Ad. 





Geba R. at Batata, Portug. 

 Guinea. 



71. Yg. 





Culufi R. at Bafata, Portusr. 

 Guinea. 



72-73. Ad. 





Niger. 



74. Ad. 





•) 



75. Skel. 





:■} 



J. Petherick, Esq. (C). 

 Capt. S. S. Flower (P.). 

 L. Loat, Esq. (C). 

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

 "W. N. McMillan, Esq. (P.). 

 L. Loat, Esq. (C). 



J. S. Budgett, Esq. (P.). 

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



Paris Museum (E.). 

 M. P. Delhez (C). 



Dr. W. J. Ansorge (G). 



Mr. J. T. Dalton (G). 

 W.A. Forbes, Esq. (P.). 



