EUCHILICHTHYS. 489 



diameter of eye. Dorsal I G, originating immediately behind pectorals ; 

 spine strong, covered with skin, -§- to ^ length of head. Adipose fin 

 f to ^ its distance from rayed dorsal. Anal III-IV 6-7. Pectoral 

 spine -| to § length of head, inner border serrated. Ventrals not 

 reaching anal. Caudal forked, lower lobe the longer. Caudal peduncle 

 1-J times as long as deep. Skin villose. Olive or brownish, often with 

 small round black spots ; caudal region sometimes darker, with a 

 yellowish ring round the caudal peduncle behind the adipose fin. 



Total length 220 millim. 



Congo System. — Type in Congo Museum, Tervueren.- 



Capt. Royaux (C). 



M. M. Storms (C.) ; 



Brussels Museum (P.)* 

 G. L. Bates, Esq. (C). 



3. EUCHILICHTHYS DYBOWSKII. 



Chihujlams d/jJmcsln, Vaill. C. II. Soc. Philom. 1892, do. 16, p. 2. 

 EacliiUclithys dyhowsldi, Bouleng. Ann. & Mag N. H. (7) vi. 1900, p. 523, and 

 Poiss. Bass. Congo, p. 332 (1901). 



Body a little deeper than broad, its depth 4| times in total length. 

 Head large, moderately depressed, covered with a very thin skin, not 

 quite 1^ times as long as broad, its length 2| times in total length ; 

 snout rounded, nearly twice as long as postocular part of head ; nostril 

 nearer end of snout than eye, the diameter of which is 5 to ^j\ times 

 in length of head, twice in interocular width ; buccal clett straight, 

 f length of head ; mandibular teeth with truncate crowns ; lateral 

 barbel nearly J length of head, posterior shorter still. Dorsal I 6 ; 

 spine strong and smooth, f length of head. Adipose fin much longer 

 than deep, nearly as long as its distance from rayed dorsal. Anal 10 

 (3 rays rudimentary). Pectoral spine f length of head, inner border 

 with 4 or 5 strong retrorse serrte. Ventrals extending a little beyond 

 origin of anal. Caudal deeply emarginate. Caudal peduncle as long 

 as deep. Skin villose on sides of body. Pale brown ; a blackish band 

 across the dorsal, another across the pectorals ; ventrals and anal 

 blackish. 



Total length 3D millim. 



Ubanghi. — Types, in Paris Museum, examined. 



