488 



SILURID^E. 



inner border with strong retrorse spines. Ventrals not reaching anal. 

 Caudal forked, lower lobe the longer. Caudal peduncle 1^ times as 

 long as deep. Skin villose. Dark brown, with small round black spots 

 on the anterior parts. 



Total length 190 millim. 



Congo (Stanley Pool). 



1. Type. Kinshassa. M. A. Greshoff (C.) ; Utrecht 



University Museum (E.). 



2. EUCHILICHTHYS ROYAUXI. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 4(5, pi. xiii. (1902). 



Depth of body about § its greatest width, 5-§- to 6^ times in total 

 length. Head large, much depressed, covered Avith soft skin, a little 

 longer than broad, its length o to 3f times in total length; snout 



Fig. 365. 



<*a^mmK*~*samBUMB8Si 



Euchllichthys roijauxi. 

 Type (A. M. C.). |. 



broadly rounded, nearly twice as long as postocular part of head ; 

 nostrils nearer end of snout than eye, the diameter of which is 5 to 

 7 times in length of head, 2 to 3 times in interocular width ; buccal 

 cleft straight, about \ length of head ; mandibular teeth truncate or 

 feebly notched ; lateral barbel | length of head, posterior about \ 



