MOEMTROPS. 33 



Depth of body 5 to Qh times iu total length, length of head 3£ to 

 4| 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, | to § length of 

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





Mormyrops deliciosus. 

 Senegal, after ISteindachner (I. a), i. 



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

 dorsal (its 12th to lGth ray corresponding to the first dorsal ray), and 

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

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

 with rounded lobes. Caudal peduncle 2 to 1\ times as long as deep, 

 •j to | length of head. 85-100 scales in lateral line, j^r. 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. AJ. & hgr. Gambia. J. S. Budgett, Esq. (P.). 



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

 C 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. Port Lamy, Shari River. Capt. G. B. Gosling (P.). 

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



S. Cameroon. 

 VOL. I. D 



