304 



CTPRIXID.E. 



1. LABEO XILOTICUS. 



Ci/prinus n'doticus, Forskal, Doscr. Anim. p. 71 (177o) ; Gcoffr. Descr. E;j:ypte, 



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

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



xxxix. 1898, p. 259 ; Bouleng. Fish. Nile, p. 1G.3, pi. xxvii. fig. 1 (1907). 

 Labeo niloticus, part., Cuv. & Val. Hist. Poiss. xvi. p. 338 (1842) ; Giinth. (\it. 



Fish. vii. p. 47 ( 18G8), and Petherick's Trav. ii. p. 259 (18G9). 

 Labeo vulgaris, Heckel, Ilusseggor's Reise Egyj)!. iii. p. 303, pi, xx. fig. 3 (184G). 



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

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

 4 to 4 J times in young, its width J to J its length ; snout broadly 

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

 ])crfcctly lateral, 4 J to 6 times in length of head in adult, 3 to 4 times 

 in young; iuterorbital \udth J to ^ length of head; width of mouth, 



Fig. 228. 



Labeo niloliciu. 

 Nile Delta (F. X.). ^. 



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

 of rounded or subconical papillfc, those of the outer row formino- 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. Dursal 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 



