new African Cyprinodont Fishes. 2G5 



Ilaplochilns exiguus. 



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

 times. Head tlat 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 ; prreorbital nearly ^ diameter of eye. Dorsal 8, 

 originating twice as far from eye as from root of caudal, 

 above middle of anal ; penultimate ray produced into a long 

 filament (male). Anal 12. Pectoral ^ length of iiead, barely 

 reaching base of ventral ; latter equally distant from end of 

 snout and from root of caudal. Caudal rounded, sliglitly 

 shorter than head. Caudal peduncle 1^ times as long as 

 deep. 28 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 carmine longitudinal streak and some carmine spots; 

 caudal bordered all round with carmine, with three bars of 

 tiie same colour. 



Total length 32 mm. 



South Cameroon. A single specimen, from the Nyong 

 Kiver, received from Mr. G. L. Bates. 



IlaplocJiilus calliurus. 



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

 head 3^ to 3f times. Head flat above ; snuut short and 

 broad, nearly as long as eye ; mouth directed upwards, lower 

 jaw feebly projecting ; eye 3| to 4 times in length of head, 

 twice in interorbital width ; pra^orbital not more than ^ 

 diameter of eye. Dorsal 9-10, originating twice as far from 

 centre or anterior border of eye as from root of caudal, above 

 middle of anal ; longest ray g to | length of head in females, 

 antepenultimate produced into a long filament in males. 

 Anal 12-13, the antepenultimate ray produced into a very 

 long filament in males. Pectoral | to f length of head, 

 reaching base of ventrals in males, not in females ; ventral 

 equally distant from end of snout and from root of caudal, 

 outer ray produced into a short filament in males. Caudal 

 rounded-acuminate or decidedly pointed, one of the median 

 rays produced in males. Caudal peduncle 1^ to 1^ times as 

 long as deep. 29-30 scales in longitudinal series, 20-22 

 routid body in front of ventrals ; lateral line indicated by a 

 series of pits. Olive or brownish above^ yellowisli white 



