MORMYRID.E. 157 



8a. PETlJOl'EPHALUS IIAULLEVILLI I. 

 Boiik'UK. Ann. Miis. Congo, Zool. ii. 3, p. 5, \>\. xvii. fig. 1 (I'Jl-^. 



Depth of body o to 3^ times in total length, length of head 3| to -1^ 

 times. Head as long as deep; snout rounded, strongly projecting 

 beyond mouth, as long as eye, which is -i to 5 times in length of head, 

 and neiirly i interorbital width ; width of mouth three times in length 

 of head; teeth bicuspid, 11 to U in upper jaw, 16 to 18 in loAver; 

 nostril near lower border of eye. Dorsal 18-1^0, about h as long as its 

 distance from head. Anal 27-20, originating well in advance of dorsal. 

 Pectoral pointed, a little shorter than head, extending beyond base of 



Fi". 105. 



retrocej^'Ji'ihts hiiiiUeviUii. f . 

 Type. (A. M. C.) 



ventral. Caudal scaled at the base, with pointed lobes. Caudal 

 peduncle 3 times as long as deep, nearly as long as head. 32-o5 scales 

 in lateral line, yo-% i" transverse series on body, ^ between dorsal and 

 anal, 12 round caudal peduncle. Silvery, speckled with black, the 

 specks more crowded on the head and back ; dorsal and anal uhitisli, 

 brown anteriorly. 



Total length 70 millim. 



Chiloango River, Lower Congo. 



1-3. Types. Cliiloango U. at Mayili. Dr. W. J. Aiisorge (C). 



4-0. Types. Luculla IL, Cliiloango. „ 



7-8. Types. Lnali H., „ » 



Distinguished from /■'. duhlmaiml by fewer teeth and a more slender 

 and longer caudal i)eduucle. 



;i. ISICHTHYS, c;ill. 



1. ISRilTllY« lIENliYl, Ciill. 

 Add .— 

 ll'-i;>. H'T. N. 8herbo district, Sierra Leoue. N. W. Tlioniaif, Ei.]. (P.). 



