M0BMTE0P8. 33 



Depth of body 5 to 6i times iu total length, length of head 31 to 

 41 times. Head nearly twice as long as deep, upper profile slightly 

 concave ; snout rounded ; jaws equal ; width of mouth nearly equal to 

 length of snout ; teeth truncate or conical in the adult, more or less 

 distinctly notched in the young, 24 to 36 in each jaw ; eye small, in 

 anterior third of the head, its diameter 2 (young) to 4 times in length 

 of snout or in interocular width. Dorsal 21-27, J to f length of 

 anal, originating 2 to 2i times as far from end of snout as from 



Fig. 20. 



rJnrtK'Ti-'^''' 



'-*<,^ 





Mormyrops deliciosus. 

 Senegal, after Steindachner (I. c). ^. 



base of caudal. Anal 40-51, originating considerably in advance of 

 dorsal (its ]2th to IGth ray corresponding to the first dorsal ray), and 

 a little nearer head than root of caudal. Pectoral rounded, f to ^ 

 length of head, ventral J to ^. Caudal rather small, densely scaled, 

 with rounded lobes. Caudal peduncle 2 to 2^ times as long as deep, 

 ^ to ^ length of he;id. 85-100 scales in lateral line, j^^ in transverse 

 series on body, 22-26 in transverse series between dorsal and anal, 14-18 

 round caudal peduncle. Brownish or olive above, silvery beneath. 



Total length 1500 millim. 



Senegal, Gambia, Niger, Chad Basin, Congo, Zambezi, L. Nyassa, 

 Webi Shebeli and Juba. 



1-3, 4. Ad. & hgr. Gambia. J. S. Budgett, Esq. (P.). 



5. Ad., stft'd. Niger. Mr. J. T. Dalton (C). 



6. Hgr. „ „ 



7. Ad. Jebba, Upper Niger. Capt. G. F. Abadie (P.). 



8. Ad. Mureji, „ J. S. Budgett, Esq. (P.). 

 9-11. Yg. Assay, Lower Niger. Dr. W. J. Ansorge (P.). 



12-13. Yg. Agberi, 



14. Yg. West Africa. 



15. Yg. Fort Lamy, Sbari River. Capt. G. B. Gosling (P.). 

 16-17. Hgr. Libi River (Congo System), G. L. Bates, Esq. (C). 



S. Cameroon. 

 VOL. I. D 



