342 



SILUEID^. 



1. CLAROTES LATICEPS. 



J'hnehnhis latlceps, r{u[)p. Beschr. n, Fisclie Nil, p. 7, pi. i. fig. 2 (1829). 

 BcKjrus niijrita, (juv. & Val. Hist. Poiss. xiv. p. 42G, pi. ccccxvi. (1839). 

 Bagrus latireps, Heekel, Russegger's Reise Egypt, iii. p. 331 (1849). 

 Clarotes heufj'inii, Kner, Sitzb. Ak. Wien, xvii. 18o5, p. 313, pis. i. & ii. ; Hyrtl, 



Denkschr. Ak. Wien, xvi. 1858, p. 1, pi. — ; Kner, Arch. f. Naturg. 1865, 



ii. p. 101. 

 Octonematiddhys nigrita, Bleek. Act. Soc. Sc. Ind.-Neerl. iv. 1858, p. G5. 

 Clarotes laticeps, Gunth. Cat. Fish. v. p. 73 (1864), Zool. Rec. 1866, p. 150, and 



Petherick's Trav. ii. p. 231 (1869) ; Vincig. Ann. Mus. Genova, (2) xv. 1895, 



p. 39, xvii. 1896, p. 27, and 1897, p. 349; Bouleng. Fish. Nile, p. 340, 



pi. Ixi. (1907). 

 C/trt/sicht/ujs crancJiii (iion Leach), Steind. Sitzb. Ak. Wien, Ix. i. 1870, p. 987. 

 Clirysichthijs nujrita, Sauv. N. Arch. Mus. (2) iii. 1880, p. 40. 



Depth of body 4j to 5| times in total length, lengtli of head 2f to o\ 

 times. Head much depressed, ly to 1^ times as long as broad, its 



Fig. 267. 



Clarotes laticeps. 

 White Nile (E. N.). i. 



upper surface rugose with fine granulations, which are most crowded 

 on the occiput ; operculum with radiating striae ; occipital process as 

 long as broad, nearly as long as the small interneural shield with which 

 it is in contact ; snout broad, rounded or truncate ; eye large, trans- 

 versely oval, 1 (young) to 3 times in length of snout, 1^ to 5 times in 

 interocular width ; mouth inferior, its width equal to or a little greater 



