m 



silueid^:. 



1. CLAROTES LATICEPS. 



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

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

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

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



Denksckr. Ak. Wien, xvi. 1858, p. 1, pi. — ; Kner, Arch. i. Naturg. 1865, 



ii. p. 101. 

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

 Clarotes laticeps, Giintli. Cat. Fish. v. p. 73 (1861), 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. 319; Bouleng. Fish. Nile, p. 310, 



pi. lxi. (1907). 

 Clirysichtlii/s crancliii (non Leach), Steind. Sitzb. Ak. Wien, lx. i. 1870, p. 987. 

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



Depth of body 4\ to 5f times in total length, length of head 2-f to 3j 

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



Fig. 267. 





Clarotes laticeps. 

 AVhite Nile (F. N.). A. 



upper surface rugose with fine granulations, which are most crowded 

 on the occiput ; operculum with radiating strife ; 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 



