AMPHILIUS. 



359 



head, 3 times in interocular width ; posterior nostril midway between 

 eye and end of snout; maxillary barbel 1| length of head, outer 

 mandibular f , inner mandibular J. Gill-rakers short, 8 on lower part 

 of anterior arch. Dorsal I 6, much nearer end of snout than root of 

 caudal. Adipose dorsal low, twice as long as rayed dorsal, nearly as 

 long as its distance from latter. Anal II 7. Pectoral a little shorter 

 than head. Ventral a little shorter than pectoral, far behind base 

 of dorsal. Caudal emarginate. Caudal peduncle as long as deep. 

 Dark olive above, whitish beneath ; five round white spots on the 

 back — one in front of the dorsal fin, one on each side of the last rays 

 of the dorsal, one in front of the adipose fin, and one at the posterior 

 extremity of the latter. 



Total length 80 millim. 



British Central Africa. 

 1. Type. Sources of Ruo R., Mlanji, 6500 ft. R. L. Harger, Esq. (P.). 



6. AMPHILIUS LONGIROSTRIS. 

 Anoplopterus longirostris, Bouleng. Ann. & Mag. N. H. (7) viii. 1901, p. 447. 

 Amphilius longirostris, Bouleng. Proc. Zool. Soc. 1903, i. p. 25, pi. i. fig. 3, and 

 1905, i. p. 64. 



Depth of body 6 to 9 times in total length, length of head 3f to 4 

 times. Head much depressed, lj to ~\\ times as long as broad ; snout 





J 





> 



Tig. 27 ( J. 



Amphilius longirostris. 

 Type (P. Z. S. 1903). 



obtusely pointed, about f length of head; eye very small, in second 

 half of head, 8 to 10 times in length of head, \\ to 2 times in inter- 

 ocular width ; posterior nostril midway between eye and end of snout; 



