L 



-4. Ad. 



P 1 



& hgr. 



5- 



-9. Ad. 





10- 



-12. Yg, 





13- 



-14. Ad. 





15. 



Hot. 





16- 



-23. Yg, 





24. 



Ad. 





25- 



-27. Ad. 





28- 



-37. Ad. 



& hgr. 



38. 



Hgr. 





39. 



Ad. 





40. 



Ad. 





41. 



Skel. 





42. 



Yg- 





43, 



44-63. . 



Ad. & yg, 



64- 



■66. Ad. 



& hgr. 



67- 



68. Ad. 





LABEO. 331 



Lower Nile. S. S. Allen, Esq. (P.). 



Near Samannud, Damietta L. Loat, Esq. (C). 



Nile. 



Rosefra Nile, near Barrage. ,. 



Near Cairo. „ 



Wasta, Lower Nile. ,, 



Near Luxor. ., 



Assuan. ,, 



Korosko, Upper Nile. „ 



Wady Haifa. „ 



Kosheh, Upper Nile. „ 



Near Hannek, Third Cataract. „ 



Khartum. J. Petherick, Esq. (0.). 



Wad Medine, Blue Nile. L, Loat, Esq. (C ). 



Rosaires, ,. ,, 



Didessa P. (Blue Nile) , Guma, Mr. P. C. Zaphiro (C.) ; 



1500 ft. W.N. McMillan, Esq. (P.). 



Juju R., affluent of Didessa Mr. P. C. Zaphiro (C.) ; 



R., Guma, 2000 ft. W.N. McMillan, Esq. (P.). 



25. LABEO CYLINDRICUS. 

 Peters, Mon. Berl. Ac. 1852, p. 684, and Reise Mossamb. iv. p. 47, pi. x. fig. 1 



(1868) ; Bouleng. Ann. & Mag. N. H. (7) xii. 1903, p. 361, Proc. Zool. Soc. 



1903, ii. p. 330, and Tr. Zool. Soc. xvii. 1906, p. 548. 

 Tylognathus cantini, Sauv. Bull. Soc. Philom. (7) vi. 1882, p. 175 ; Vincig. Ann. 



Mus. Genova, (2) xv. 1895, p. 50, & xix. 189b, p. 259. 

 Tylognathus montanus, Giinth. Proc. Zool. Soc. 1889, p. 71, pi. viii. fig. B. 

 Labeo forskalii, part,, Pfeff. Thierw. O.-Alr., Fische, p. 49 (1896) ; Hilgend. Zool. 



Jahrh., Syst. xxii. 1905, p. 413. 

 Labeo montanus, Pfeff. t. c. p. 52. 

 ? Labeo mesops (non Giinth.), Vincig. op. cit. (2) xvii. 1897, p. 361. 



Very closely allied to and barely separable from L. forskalii. 



Body feebly compressed, 4 to 4f times in total length. Head 4 to 

 4| times in total length, its width f to -f its length, as in L. forskalii, but 

 eye larger, 4 to 7 times in length of head. Dorsal III 8-10, longest ray 

 usually longer, often much longer, than head, sometimes as much as twice 

 as long. Anal III 5. Scales 35-39 .rf-f?, 3-4 between lateral line and 

 root of ventral, 16-18 round caudal peduncle. Dark olive above and on 

 the sides, white beneath; caudal often with the upper and lower edges 

 dark. 



Total length 400 milling 



