10. ELECTRIC ORGANS
439
N
Fig. 60. Characteristics of representative mormyrid genera. ( A ) Mormyrus
caballus. ( B ) Hyperopisus bebe. ( C ) Isichthys henryi. (D,E) Genyomyrus donnyi;
side view and chin process. (F,G) Momnyrops deliciosus, side view and dentition.
( H,I) Petrocephalus sauvagei, side view and dentition. ( J ) Stomatorhinus corneti.
( K ) Marcusenius plagiostoma. ( L ) Gnathonernus leopoldianw. ( M ) Gnathonernus
petersii. ( N ) Gnathonemus numenius. ( 0 , P ) Myomyrus mucrodon, side view and
dentition. From Poll (1957).