AMPHILIUS. 361 



times. Head much depressed, slightly longer than broad ; snout broadly 

 rounded, as long as postocular part of head; eye very small, 9 or 10 

 times in length of head, 2-j to 3 times in interocular width ; posterior 

 nostril a little nearer eye than end of snout ; maxillary barbel as long as 

 head or a little longer ; outer mandibular barbel a little shorter than 

 head, inner about f length of head. Gill-rakers moderately long, 7 or 

 8 on lower part of anterior arch. Dorsal I 5-6, equally distant from 

 end of snout and from root of caudal. Adipose dorsal low, 1^ to 1^ 

 times as long as rayed dorsal, its length a little greater than its distance 

 from latter. Anal II 5-6. Pectoral a little shorter than head. Ventral 

 slightly shorter than pectoral, below posterior rays of dorsal. Caudal 

 forked, with rounded lobes. Caudal peduncle a little longer than deep. 

 Brown above, speckled with darker, whitish below ; 6 yellowish cross- 

 bars on the back, the first on the nape, the third just behind the dorsal 

 fin ; fins whitish, dorsal with a transverse series of small black spots, 

 caudal with a black basal bar and a terminal transverse band of crowded 

 black spots. 



Total length 60 millim. 



Gold Coast. 

 1-4. Types. Atesn R. R. B. N. Walker, Esq. (0.) ; Dr. A. Giinthcr (P.). 



8. AMPHILIUS BREVIS. 



Bouleng. Proc. Zool. Soc. 1902, i. p. 268, pi. xxix. fig. 3. 



Amphilhis nigricaudatus, Pellegr. Bull. Soc. Philom. (10) i. 1909, p. 47, fig. 



Depth of body 6 to 7 times in total length, length of head 3| to 4 

 times. Head much depressed, a little longer than broad ; snout broadly 

 rounded, f to f length of head; eye very small, 9 to 12 times in length 

 of head, 2J to 3 times in interocular width ; maxillary barbel § to once 



Pig. 281 . 



AmphXHus brevis. 

 Type (P. Z. S. 1902). 



length of head, rarely a little longer than head, scarcely longer than 

 outer mandibular, inner mandibular £ to £ length of head. Gill-rakers 

 moderately long, wide apart, 7 or 8 on lower part of anterior arch. 

 Dorsal I 6, equally distant from end of snout and root of caudal, or a 



