372 



SILUEID^E. 



Total length 220 raillira. 



Lake Ngami district, Bechuanaland. 



Fig. 2S7. 



1. Type. 



Auchenoc/limis nr/amemis. 

 Type. §. 



Okovango R., near L. Ngarai. 



R. B. Woosnam, Esq. (C). 



4. AUCHENOGLANIS ALTIPINNIS, sp. n. 

 Depth of body 4§ times in total length, length of head 3f times. 

 Head moderately depressed, 1-g- times as long as broad, upper surface 

 smooth ; operculum with radiating striae ; occipital process small, longer 

 than broad, in contact with the moderately large interneural plate; 

 snout pointed, a little more than -| length of head ; eye supero-lateral, 

 7 times in length of head, twice in interorbital width ; mouth small, 

 nearly terminal, with thick papillose lips ; praemaxillary teeth in a small 

 reniform patch. Maxillary barbel f length of head, inner mandibular ■§•, 

 outer mandibular a little shorter than head and reaching base of pectoral 

 fin. Gill-rakers rather long, 9 on lower part of anterior arch. Humeral 

 process narrow, pointed, feebly striated. Dorsal I 7 ; spine moderately 

 strong, smooth, §- length of head ; longest soft rays slightly longer than 

 head. Adipose dorsal 6 times as long as deep, originating immediately 

 behind rayed dorsal and extending nearly to root of caudal. Anal 13 

 (8 rays branched). Pectoral not reaching ventral ; spine strong, strongly 

 serrated on inner side. Ventral nearly reaching anal. Caudal rounded. 



