342 



SILUEID^E. 



1. CLAROTES LATICEPS. 



Pimelodus laticeps, Riipp. Beschr. n. Fische Nil, p. 7, pi. i. fig. 2 (1829). 

 Bagrus nigrita, Cuv. & Val. Hist. Poiss. xiv. p. 426, pi. ccccxvi. (1839). 

 Bagrus laticeps, Heckel, Russegger's Reise Egypt, iii. p. 331 (1849). 

 Clarotes henglinii, Kner, Sitzb. Ak. Wien, xvii. 1855, p. 313, pis. i. & ii. ; Hyrtl, 



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



ii. p. 101. 

 Octonemalichthys nigrita, Bleek. Act. Soc. Sc. Ind.-Neerl. iv. 1858, p. 65. 

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



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



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



pi. lxi. (1907). 

 Chrysichthys cranchii (non Leach), Steind. Sitzb. Ak. Wien, lx. i. 1870, p. 987. 

 Clirysichthys nigrita, Sauv. N. Arch. Mus. (2) iii. 1880, p. 40. 



Depth of body i\ to 5f times in total length, length of head 2-f to o\ 

 times. Head much depressed, l y to If times as long as broad, its 



Fig. 207. 



Clarotes laticeps. 

 White Nile (F. N.j. I. 



upper surface rugose with fine granulations, which are most crowded 

 on the occiput ; operculum with radiating strise ; 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 



