58 CTPEINODONTIDtE. 



Caudal rounded, slightly shorter than head. Caudal peduncle 1^ times 

 as long as deep. 2S scales in longitudinal series, 22 round body in 

 front of ventrals. Yellowish, sides tinged with carmine; a carmine 

 streak on each side of the head, through the eye, and round the chin ; 

 another below the eye ; gill-membranes, pectorals, and ventrals edged 

 with carmine ; dorsal and anal with a longitudinal streak and some 

 carmine spots ; caudal bordered all round with carmine, with three bars 

 of the same colour. 



Total length 32 millim. 



South Cameroon. 

 1. Type. ^Vo"g River. G. L. Bates, Esq. (C). 



18. HAPLOCHILUS ELEGANS. 

 Bouleng. Ann. Miis. Congo, Zool. i. p. 113, pi. xlvii. fig. 2 (1899), and Foiss. Ba^s. 

 Congo, p. 345 (1901). 

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

 3f times. Head flat above ; snout as long as eye ; mouth directed 

 upwards, lower jaw projecting; eye 3 to 3^ times in length of head, 

 H times in interorbital width; prseorbital very narroAv. Dorsal 8, 



IV. 43. 



HcijjlocJiilus elegans. 

 d , type (A. M. C). 



originating twice as far from anterior border of eye as from root of 

 caudal, above middle of anal produced into a filament in males. Anal 

 14-15, produced like the dorsal. Pectoral f length of head, nearly 

 reaching base of ventral ; latter a little nearer end of snout than caudal. 

 Caudal forked, upper and lower rays produced into filaments in the male. 

 Caudal peduncle nearly twice as long as deep. 30-32 scales in longi- 

 tudinal series, 20 round body in front of ventrals ; lateral line indicated 

 by a series of pits. Yellowish or pale olive, brown on the back, most 

 of the scales edged with carmine ; vertical fins with carmine dots and 

 edged with carmine or dark purple. 



Total length 40 millim. 



Upper Congo. — Types in Congo Museum, Tervuercn. 



1-3. Types. Bikoro, L. Tiunba. M. P. Delliez (C). 



4-5. ,, Coquilliatville. „ 



