220 MOKMYRIDJE. 



IV. Snout short, obtuse, with the cleft of the mouth at its lower side. 



14. Mormjrrus bane. 



Hifaud, Voy. Eg. pi. 189. no. 40 (bad), pi. 217. fig. 2. (bad). 

 Mormyrus c^-prinoides, Geoff. Descr. Eg. Poiss. i. p. 277, pi. 8. figs. 

 3-4 (not i.). 



bane, Luccp. v. p. 621 ; Cuv. ?f Vol. xix. p. 276. 



dequesue, Cuv. \ Vul. xix. p. 281. 



? Mormyrus joannisii, Cuv. S/- Val. xix. p. 282. 

 Mormyi'us ehrenbergii, Cuv. Sf Val. xix. p. 283. 

 Petrocepbalus bane, Marcusen, Mormyr. p. 146. 

 ? Petrocephalus de joannis, Marcusen, Mormyr. p. 149. 



D. 30-32. A. 33-36. V. 6. L.lat. 42-45. Vert. 14/29. 



Snout obtuse, compressed, very short, elevated, obliquely truncated 

 in front, with the cleft of the mouth at its lower side, below the eye, 

 which is of moderate size. Teeth very small, dilated, and notched, 

 forming a complete series round the entire edge of both jaws. Pec- 

 toral extending beyond the root of the ventral, which is short, half 

 as long as the pectoral. The height of the body is contained from 

 twice and one-half to three times and one-quarter in the total length 

 (without caudal), the length of the head four times, or four times 

 and a third. 



Nile. 

 a, h, c-e, f-7i. Adult, half-grown, and young. Lower Nile. 

 i-l, m~p. Adult and half-grown. Chartoum, From Consul Pethe- 



rick's Collection. 

 q. Adult, female : skeleton. Lower Nile. From Consul Petherick's 



Collection. 

 r. Adult, skeleton. Lower Nile. From Dr. RiippeU's Collection. 



15. Mormyrus discorhynchus. 



PMoi-myrus discorhynchus, Peters, Monatsber. Akad. Wiss. Berl. 1852, 

 p. 275. 



D. 30-36. A. 24-27. L. lat. 70. Vert. 16/25. 

 Snout obtuse, rounded, compressed, as long as the eye, which is of 

 moderate size ; cleft of the mouth at the lower side of the snout, 

 before the vertical from the front margin of the orbit. Teeth very 

 small, dilated and notched, few in number. The pectoral extends 

 somewhat beyond the middle of the ventral, which is more than half 

 as long as the pectoral. The height of the body is one-third of the 

 total length (without caudal), the length of the head one-fifth. Back 

 and upper parts of the side irregularly marbled with brown. 



Nile (? Mossambique). 

 a-c. Adult and half-grown. Chartoum. From Consul Petherick's 



Collection. 

 d. Adult male : skeleton. Chartoum. From Consul Petherick's 

 Collection. 

 The short diagnosis given by Peters agrees with our specimens 



