276 



CHAKACIN1DJE. 



W „ * 



9. Ad. 



10. Type, stuffed. 



11. Ad. 



12. Yg. 



13. Hgr. 

 14-15. Yg. 

 16-25. Yg. 

 26. Hgr. 



Distichudvs rostra/ us. 

 Type(F.N.). g. 



St. Louis, Senegal. 

 Niger. 



Jebba, Upper Niger. 



Mureji, „ 



Abo, Lower Niger. 



Agberi, 



Benue River, N. o£ Ibi. 



M. P. Delhez (C). 

 Mr. J. T. Dalton (C). 

 W. A. Forbes, Esq. (P.). 

 f'apt. G. F. Abadie (P.). 

 J. S. Budgett, Esq. (P.). 

 Dr. W. J. Ansorge (0.). 



H. L.Norton Traill, Esq. (C). 



16. DISTICHODUS SEXFASGIATUS. 



Bonleng. Ann. & Mag. N. H. (6) xx. 1897, p. 425, and Poiss. Bass. Congo, p. 194 

 (1904). 



Depth of body 2^ to 2i times in total length, length of head 3^ to 

 4 times. Head as long as deep, 2 to 2J rimes as long as broad ; snout 

 strongly compressed, deeper than long, truncate at the end and scarcely 

 projecting beyond mouth, its length equal to or slightly greater than 

 interorbital width and 1^ to 2 times diameter of eye, which is 4 to 5 times 

 in length of head ; maxillary extending to below nostrils ; teeth in two 

 series in each jaw, 12 to 14 in outer series. Dorsal 24-25 (5 unbranched), 

 equally distant from head and from caudal, separated from adipose by a 

 space equal to \ to f its base. Anal 12-14 (3-4 unbranched), its base 

 much shorter than that of dorsal. Pectoral £ to f length of head. 

 Caudal forked, lobes rounded. Caudal peduncle a little deeper than 

 long. Scales 60-68 ]|^, 11 between lateral line and root of ventral. 



