304 



CTPEIXID.^. 



1. LABEO NILOTICUS. 

 Cyprinus niloticus, Forskal, Descr. Anim. p. 71 (1775) ; Geoffr. Descr. Egypte, 



Poiss. pi. ix. fig. 2(1809). 

 Labeo niloticus, I. Geoffr. op. cit. p. 282 (1827) ; Viacig. Ann. Mus. Genova, 



xxxix. 1898, p. 259 ; Bouleng. Fish. Nile, p. 163, pi. xxvii. fig. 1 (1907). 

 Labeo niloticus, part., Guv. & Val. Hist. Poiss. xvi. p. 338 (1842; ; Giinth. Oat. 



Fish, Tii. p. 47 (1868), and Petherick's Trav. ii. p. 259 (1869). 

 Labeo vulgaris, Heckel, Russegger's Reise Egypt, iii. p. 303, pi. xx. fig. 3 (1846). 

 Body strongly compressed, its depth 3^ (adult) to 4^ times (young) 

 in total length. Head nearly 5 to 5J times in total length in adult, 

 4 to 41 times in young, its width f to | its length; snout broadly 

 rounded; eye nearer end of snout than posterior border of head, 

 perfectly lateral, 4^ to 6 times in length of head in adult, 3 to 4 times 

 in young; interorbital width ^ to | length of head; width of mouth, 



Pig. 228. 



Labeo nilolicus. 

 Nile Delta (F. N.). ^. 



with lips, 2f to 4 times in length of head ; both lips with several rows 

 of rounded or subconical papillae, those of the outer row forming a 

 distinct fringe; edge of rostral flap entire; a minute barbel, more or 

 less hidden under folds of skin ; tubercles on the snout, or their pore- 

 like scars, numerous but very small. Dorsal III 14-17, equally distant 

 from nostrils or end of snout and from caudal, upper edge usually 

 more or less distinctly concave, rarely straight or slightly convex, last 



