African Species of Barbus. 337 



Barhus aspilus. 



Depth of body 2^ tinios in total length, length of head -i 

 times. Snout rounded, a little shorter than the eye, the 

 diameter of which is 3 times in length of head and equals 

 interorbital width; mouth small, subinferior, with moderately 

 develoj)ed lips; no barbels. Dorsal III 8; last simple ray 

 not ossified, once and ^ as long as head ; the border of the 

 iin slightly cmarginatr, its origin nearer end of snout than 

 root of caudal. Anal III 5. Pectoral a little shorter than 

 head, reaching ventral ; lafter a little behind vertical of 

 origin of dorsal. Caudal forked. Caudal peduncle nearly as 

 deep as long. Scales 25 ||, 2^ between lateral line and 

 ventral, 12 round caudal })eduncle. Yellowish brown above, 

 the scales dark brown at the base, silvery below j no 

 markings. 



Total IcngtJi 125 mm. 



A single specimen from the Ja River, S. Cameroon (Coll. 

 G. L. Bates). 



Barbus trispiJomim us. 



Depth of body 3^ times in total length, lengtli of liead 3 

 times. Snout rounded, projecting beyond tiie mouth, shorter 

 than the eye, the diameter of which is 2f times in length of 

 head and equals interorbital width; mouth small, with thin 

 lips ; no barbels. Dorsal III 8, last simple ray not ossified, 

 as long as head, the border of the fin not emarginate, its 

 origin midway between end of snout and root of caudal. 

 Anal III 5. Pectoral shorter than head, not reaching 

 ventral ; latter below middle of dorsal. Caudal forkech 

 Caudal peduncle once and a half as long as deep. Scales 

 23 :j|, 2^ between lateral line and ventral, 8 round caudal 

 peduncle. Pale brownisii above, silvery below ; three large 

 round black spots on each side of the body, on the latenil 

 line, the first in front of the vertical of the dorsal, the second 

 behind the vertical of the dorsal, the third in front of tiic 

 caudal ; two small black spots at the base of the dorsal. 



Total length 35 mm. 



The locality of this fish, which strikingly resembles 

 B. trisjiilusj lilkr., in form and markings, is unknown. The 

 single .specimen was found in an unlabelled jar containino- 

 examples of Clariallubes melas, BIgr., and CliannaUabes apus 

 Gthr. It therefore probably comes from the Congo. 



