SILURANODON. 



299 



beyond base of ventral, its spine feeble, smooth, without any serration, 

 and about f to | the length of the fin. Ventral i- to f length of head, 

 inserted below dorsal, or just behind vertical of its base. Caudal 

 notched, with rounded or obtusely pointed lobes, upper a little longer 

 than lower. Coloration silvery ; head and a dorsal band dull greyish 

 brown, finely speckled with blackish, this band extending on the upper 

 lobe of the caudal fin; a red spot, shot with gold, on the gill-cover; a 



Fig. 240. 



ijftllilMiiPiJli'iWW 





Siluranodoii auritus. 

 Near Cairo (F. N.). I 



more or less distinct dark blotch behind the shoulder; sometimes a dark 

 streak above the lateral line ; dorsal fiq often blackish ; caudal* fin often 

 edged with blackish ; anal fin often speckled with blackish, especially 

 on the lower half. 



Total length 175 millim. 



Lower Nile to White Nile. — Type in Paris Museum. 



L. Loa^, Esq. (V.). 



Dr. J. C.Mitchell (P.). 

 L. Loat, Esq. (C). 



