HAPLOCHILUS. 57 



1-2. Ad. Sierra Leone. Mr. J. Paul Arnold (P.). 



3-5. Ad. & Hgr. Liberia. 



6-7. Ad. „ G. A. Boulenger, Esq. (P.). 



8. One o£ the types. Assini, Gold Coast. M. Cbaper (C); 



Paris Mnseiim (P.). 



IG. HAPLOCHILUS DECORSII. 

 Pcllegr. Bull. Mas. Paris, 190i, p. 223. 



Depth of body 3f to 4 times in total length, length of head 3| times. 

 Head flat above ; snout broad, rounded, as long as or a little shorter 

 than eye ; lower jaw projecting ; eye nearly 4 times in length of head, 

 I J times in interorbital width. Dorsal 8-9, originating twice as far 

 Irom anterior border of eye as from root of caudal, above middle of anal. 

 Anal 13-14. Pectoral -| length of head. Caudal rounded-acuminate, 

 longest rays sometimes as long as head. Caudal peduncle 1^ times as 

 long as deep. 25-28 scales in longitudinal series, 24-26 round body in 

 front of ventrals. Yellowish, each scale with a dark edge ; a dark line 

 from head to origin of dorsal -, fins with carmine dots, caudal finely 

 edged with carmine in the male. 



Total length 40 millim. 



Ubanghi. — Types in Paris Museum. 



17. HAPLOCHILUS EXIGUUS. 

 Boulcng. Ann. & iMag. N. 11. (8) viii. 1911, p. 205. 



Depth of body 4 times in total length, length of head 3f times. 

 Head flat above; snout broad, rounded, a little shorter than eye ; mouth 

 directed upwards, lower jaw slightly projecting; eye 3i times in length 

 of head, |- interorbital width; prieorbital nearly f diameter of e)e. 



Fig. 42. 



Haplocldlus exiguiis. 

 <?,type. f 



Dorsal 8, originating twice as far from eye as from root of caudal, above 

 middle of anal ; penultimate ray produced into a long filament ( 6 ). 

 Anal 12. Pectoral f length of head, barely reaching base of ventral ; 

 latter small, equally distant from end of snout and from root of caudal. 



