from the Quanza and Bengo Rivers. 547 



as eye, which is 3 times in length of head and If times in 

 iuterorbital width ; mouth straight, its width ^ length of 

 head, with a thick upper lip covered with round papillae ; 

 smaller papillae behind the cutting-edge of the lower jaw ; a 

 single barbel on each side, at angle of mouth, ^ diameter of 

 eye. Dorsal IV 10, equally distant from centre of eye and 

 from root of caudal, last simple ray very strong, bony, not 

 serrated, straight, 1^ times length of head; border of fin 

 strongly emarginate. Anal III 5, longest ray as long as 

 head. Pectoral as long as head, not reaching ventral ; latter 

 inserted below anterior rays of dorsal. Caudal deeply 

 forked. Caudal peduncle 1^ times as long as deep. Scales 

 35 p, 3 between lateral line and ventral, 14 round caudal 

 peduncle. Dark brown above, yellowish beneath ; fins dark 

 grey. 



Total length 170 mm. 



A single specimen from the Lucalla River at Lucalla. 



17. Varicorhinus steindachneri, sp. n. 



Depth of body 3 to 3i times in total length, length of 

 head 3^ to 4^ times. Snout rounded, a little broader than 

 long, as long as or a little longer than eye, which is 3 

 (young) to 4 times in length of head and 1| to 1^ times in 

 iuterorbital width ; mouth straight, its width about § length 

 of head ; a minute, sometimes almost imperceptible, barbel 

 at angle of mouth ; a few conical tubercles on sides of 

 snout. Dorsal IV 10 (rarely 9 or 11), equally distant from 

 anterior border or centre of eye and from root of caudal, 

 last simple ray very strong, bony, not serrated, straight or 

 very feebly curved, 1 to 1^ times length of head ; border 

 of fin strougly emarginate. Anal III 5, longest ray | to § 

 length of head. Pectoral as long as or a little shorter than 

 head, not reaching ventral ; latter inserted below middle of 

 dorsal. Caudal deeply forked. Caudal peduncle 1^ to 1| 

 times as long as deep. Scales 30-35 - 1 , 3-3^ between 

 lateral line and ventral, 12 (rarely 14) round caudal peduncle. 

 Brown above, whitish beneath ; fins dark grey, often tinged 

 with red. 



Numerous specimens, measuring from 50 to 190 mm., 

 from the Lucalla River at Lucalla. 



Named in honour of Dr. P. Steindachner, this species 

 being very closely allied to the one described by him as 

 V. tornieri. 



