134 MOKMYKID.E. 



series on body, 26 in transverse series between dorsal and anal, 12 round 

 caudal peduncle. Brownish above, silvery white beneath. 



Total length 280 millim. 



Cameroon. — Type in Berlin Museum. 

 1. One of the types. Lokunje R. Hr. G. Zenker (0.) ; 



Berlin Museum (E.). 



7. MORMYRUS TENUIROSTRIS. 



Peters, Sitzb. Ges. naturf. Fr. Berl. 1882, p. 73 ; Bouleng. Proc. Zool. Soc. 1898, 

 p. 819 ; Pappenh. Mitth. Zool. Mus. Berl. iii. 1907, p. 3G3. 



Depth of body 5 times in total length, length of head 3^ times. 

 Snout produced, attenuate, curved downwards ; teeth bicuspid, 5 in 

 upper jaw, 7 in lower; eye in middle of head. Dorsal 60, originating 

 further back than base of ventrals, not longer than its distance from 

 middle of snout. Anal 19. 92 scales in lateral line, 26 round caudal 

 peduncle. 



Total length 110 millim. 



Athi River, E. Africa. — Type in Berlin Museum. 



8. MORMYRUS KANNUME. 



For.sk. Ueser. Anim. p. 74 (1775) ; Marcusen, Mem. Ac. St. Petersb. (7) vii. 



1864, no. 4, p. 114 ; Bouleng. Proc. Zool. Soc. 1898, p. 817 ; Hilgend. Zool. 



Jahrb , Syst. xxii. 1905, p. 418 ; Pappenh. Mitth. Zool. Mus. Berl. iii. 1907, 



p. 362 ; Bouleng. Fish. Nile, p. 61, pi. xii. tig. 1 (1907). 

 Mormyrus oxyrhyncltus, I. Geott'r. Deser. Egypte, Poiss. i. p. 270, pi. vi. fig. 1 



(1829) ; Joannis, Mag. Zool. 1835, iii. pi. xiii. ; Guv. & Val. Hist. Poiss. xix. 



p. 242 (1846) ; Giinth. Gat. Fish. vi. p. 216 (1866), and Petherick's Trav. 



ii. p. 253 (1869) ; Hilgend. Sitzb. Ges. nat. Fr. Berl. 1888, p. 78. 

 Mormyrus bac/uqua, Cuv. & Val. t. c. p. 248. 



Scrophicep/ialus katirwme, Riipp. Verz. Mus. Senckenb. iv. p. 27 (1852). 

 ? Mormyrus hilrfebrandti, Peters, Sitzb. Ges. naturf. Fr. Berl. 1882, p. 73. 



Depth of body 3^ to 4§ times in total length, length of head 4 to 5 

 times. Upper profile of head descending in a straight line or a more 

 or less strong curve; snout much produced, about as long as postocular 

 part of head in the adult, its length 1^ (young) to 3 times its least 

 depth ; mouth very small, with thick lips ; teeth notched, 5 or 7 in 

 upper jaw, 8 or 10 in lower; eye small, its diameter 1| to 2| times 

 in interorbital width. Dorsal 57-75, originating above or slightly in 

 advance of base of ventral, 3^-4f times as long as anal. Anal 18-21, 



