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 of the types. Assini, Gold Coast. M. Obaper (C); 



Paris Museum (P.). 



16. HAPLOCHILUS DECORSII. 

 Pellegr. Bull. Mus. Paris, 1904, p. 223. 



Depth of body 3§ 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, 

 1J times in interorbital width. Dorsal 8-9, originating twice as far 

 from 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 H 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 milliin. 



Ubanghi. — Types in Paris Museum. 



17. HAPLOCHILUS EXIGUUS. 

 Bouleng. Ann. & Mag. N. H. (8) viii. 1911, p. 265. 



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

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

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

 of head, § interorbital width ; praeorbital nearly | diameter of eye. 



Fig. 42. 



Haplochilus exiguus. 

 6 , 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. 



