100 



MOEMTEID.E. 



between dorsal and anal, 8 round caudal peduncle, 

 two lighter vertical bars between dorsal and anal. 



Total length 230 milliin. 



iSiger, Old Calabar, Cameroon, Congo. 



Dark brown, with 



1-2. Yg. 



?>. Hgr., type. 



4-6. Ad. & yg. 

 7-.S. Ad. 

 9. Ad. 

 10. Yo-. 



()guta, Lower Niger. 

 Old Calabar. 



Monsembe, U]iiier Congo. 

 iStaiilej- Falls. 



55 



Banzyville, Ubanghi. 



Dr. ^y. J. Ansorge (C). 

 Dr. A. Giinther (P.). 

 Eev. J. H. Weeks (P.). 

 Rev. W. H. Bentley (C). 

 M. De Meuse (C). 

 Capt. Royaux (C). 



5. GNATHOXEMUS LONGIBARBIS. 



Mormj/rus petersH (non Giinth. 18G2), Giinth. Petherick's Trav. ii. p. 2,56 (1869). 

 Mormyriis longibarhi/!, Hilgend. Sitzb. Ges. nat. Fr. Berlin, 1888, p. 78. 

 Gnatlwnemvs longiharhis, Bonleng. Proc. Zool. Soc. 1898, p. 802 ; Pappenh. Mitt-h. 



Zool. Mus. Berl. iii. 1907, p. 2.56, pi. xii. fig. 1 ; Bouleng. Fist. Nile, p. 5,5, 



fig., pi. X. fig. 2 (1907). 



Depth of body 4 to 4|^ times in total length, length of head 4-|- to 4|^ 

 times. Head longer than deep, with feebly curved upper profile ; snout 

 about f length of postocular part of head, 2\ to '1\ times diameter .of 

 eye, about J interorbital width ; chin with a long, cylindrical, pointed 



Fio-. 80. 



Gnailionernvs Ifmijiharhis. 

 Buganga (F. X.). f . 



dermal appendage, as long as or a little longer than snout, directed 

 forwards ; teeth small, notched, 3 or 5 in upper jaw, 4 or 6 in lower. 

 Dorsal 22-25, its length about ^ or | its distance from head and equal 

 to or a little greater than its distance from caudal. Anal 28-31, 

 originating a little in advance of dorsal, its distance from ventral a little 



