LABEO. \ 331 



1-4. Ad. k hgr. Lower Niie. S. S. Allen, Esq. (P.). 



5~y. Ad. Near Samamnul, Damietta L. Loat, Esq. (C). 



Nile. 



10-12. Yg. Roset^a Nile, near Barrage. ,. 



13-11. Ad. Near Cairo. 



lo. Hgr. Wasta, Lower Nile. „ 



l(J-23. Yg. Near Luxor. ., 



21. Ad. Assuan. 



2.5-27. Ad. Korosko, Upper Nile. 



28-37. Ad. & hgr. Wady Hal la. 



38. Hgr. Kosheli, Upper Nile. „ 



39. A.l. Near Hiiimek, Third Oataracl. 



40. Ad. Khartum. J. Tetherick, Esq. ((J.). 



41. Skel. 



42. Yg. Wad Medine, Blue Nile. L. Loat, Es(p (C ). 



43. 44-G3. Ad. & yg. Kosaires, 



64-(>6. Ad. & hgr. Didessa K. (Blue Nile) , Gunia, Mr. P. C. Zaphiro (C. ) ; 



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



67-G8. Ad. Juju P., aflluent of Didessa Mr. P. (\ Zaphiro (0.) ; 



!{., Gunia, 2000 ft. W.N. McMillan, Esq. (P.). 



2.5. LABEO CYLINDUR'U.S. 

 Peters, Mon. Berl. Ac. ]i<')2, p. G81, and lieise Mossand). iv. p. 17, pi. x. lig. 1 



(18()8) ; Bouleng. Ann. & Mag. N. H. (7) xii. U)03, p. 3G1, Pro-. Zool. Soc. 



1903, ii. p. 330, and Tr. Zool. Soc. xvii. PJOG, p. 518. 

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



Mus. Geneva, (2) xv. 1895, p. 50, & xix. 1898, j). 259. 

 Tylognatlius niojitanns, Giinth. Proc. Zool. Soc. 1889, \). 71, pi. viii. fig. B. 

 Laheoforskalu, ])art., Pfeff. Thierw. O.-Alr., Fische, p. 49 (189G) ; Hilgend. Zool. 



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

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

 ? Laheo mesops (non Giinth.), Vincig. op. cit. (2) xvii. 1897, p. 3G1. 



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



Body feelily compressed, 4 to 4f times in total lengtb. 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, bmgest ray 

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

 as long. Anal III 5. Scales 35-39 S^, 3-4 between lateral line and 

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

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

 dark. 



Total length 400 millim. 



