LABEO. 



305 



simple ray and first branched ray usually longest and as long as or 

 longer than head. Anal III 5, not reaching root of caudal. Pectoral 

 nearly as long as or a little longer than head, not reaching ventral, the 

 first ray of which falls below 6th or 7th branched ray of dorsal. Caudal 

 deeply emarginate, crescentic when fully spread out. Caudal peduncle 

 but little longer than deep in adult, 1 J to 1;^ times as long as deep in 

 young. Scales 41-45 gf^Ji, 5-6 between lateral line and root of ventral, 

 1 8-22 (usually 20) round caudal peduncle. Greyish, brownish, olive, 

 or steel-blue above, silvery white beneath ; a more or less distinct dark 

 bar behind the gill-opening; ill-defined dark longitudinal lines may run 

 between the series of scales below the lateral line. 



Total length 470 millim. 



Nile, Blue Nile, White Nile, Lake Stephanie (Sagan River), Omo. 



1-6, 7-20. Ad., hgr., 

 & yg. 

 21,22. Skels. 

 23-26. Yg. 



27-30. Yg. 



31-39. Ad. & hgr. 



40. Ad. 



41, 42. Skels. 

 43-47. Ad. & yg. 

 48. Ad. 



49-51. Yg. 

 52-55. Hgr. & yg. 

 56-57. Hgr. 



58. Hgr. 



59. Yg. 



60. 61-77. Hgr. & yg. 

 78-97. Yg. 

 98-105. Hgr. & yg. 

 106-115. Yg. 



116. Ad. 



117. Yg. 



118. Ad. 

 119-120. Ad. 



121. Ad. 



122. Ad. 



VOL. I. 



Lower Nile. 



Near Ghet-el-Nassara, 

 L. Menzaleh. 



Bahr-el-Tavilah, L. Men- 

 zaleh. 



Samannud, Daniietta Nile. 



Lake Edku. 



Lower Nile. 



Rosetta Nile, near Barrage. 



Nile at Cairo. 



Canal near Cairo. 



Beni Souef, Lower Nile. 



Birket Karun, Faynm. 



Bahr Selah, „ 



Between Abu Tig and Ajssiut, 

 Lower Nile. 



Near Luxor. 



Between Luxor and A?9uan. 



Assuan. 



Near Assuan. 



Korosko, Upper Nile. 



Derr, 



Ihrim, 



Anebi, 



Wady Haifa, 



Kosheh, 



J. Petherick, Esq. ((J.). 



L. Loat, Esq. (C). 



X 



