HETEEOBRANCHUS. 



27o 



Dorsal 29-34, its distance from occipital process y to J length of head ; 

 adipose dorsal as long as or a little shorter and lower than rayed dorsal, 

 commencing immediately behind or at a short distance from the latter. 

 Anal 44-54, extending, like the adipose dorsal, to the base of the 

 caudal fin. Pectoral f to ^ length of head, the spine feebly serrated 

 on the outer border and measuring ^ (young) to f the length of the 

 fin. Ventral midway between end of snout and base of caudal, or a 

 little nearer the latter. Caudal -|^ to | length of head. Olive above, 

 white beneath, sometimes with scattered black blotches; dorsal and 

 anal fins pale olive, darker towards the edge, which may be margined 

 with red ; caudal fin yellowish or pale orange at the base, with a more 

 or less distinct blackish crescentic band, sharply defined in front, 

 shading off to yellow or red behind ; adipose dorsal fin often blackish at 

 the end. 



Total length 720 millim. 



Nile, Onio, Niger, Congo, Zambesi. — Type in Paris Museum. 



Fig. 227. 



Hcterohranclius lomjiJiUs. 

 Luxor (F. N.). i. 



L. Loat, Esq. (C). 



J. Pethcrick, Esq. (C.). 

 Mr. P. C. Zaphiro (C). ; 

 W. N. MacMilkn, Esq. (P.] 



]\Iajor G. E. Bruce (P.). 

 Dr. W. J. Ansorgc (C). 

 M. De Meuse (C). 

 Rev. d. II. Weeks (P.). 



