406 



ME. G. A. BOULENGEE ON A COLLECTION OF FISHES 



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

 inner side. Ventral not reaching anal. Caudal rounded. Olive-brown, with 

 niimerous small round black spots, some of which form vertical bars on the sides 

 of the body ; belly white. 



Text-fig. 85. 



,,?'^ 



Aiiclienoglanis ngamensis. -|. 

 (From Cat. Afr. F.W. Fishes.) 



Of this new species Mr. Woosnam obtained a single specimen, 220 mm. long. 

 A. ngamensis, is closely allied to A. ballayi Sauv., from Cameroon, the Gaboon, and 

 the Cono;o. 



11. Synodontis woosnami. 

 Bouleng. Cat. Afr. F.W. Fishes, ii. p. 424, fig. 



Depth of body -3^ times in total length, length of head of times. Head a little 

 longer than broad, rugose above from between the eyes ; snout as long as postocular 

 part of head ; eye supero-lateral, 6 times in length of head, twice in inlerorbital width ; 

 lips moderately developed ; prsemaxillary teeth foi'ming a short and broad band ; 

 movable mandibular teeth ^ diameter of eye, 20 in number. Maxillary barbel not 

 margined, f length of head, reaching a little beyond root of pectoral spine ; mandibular 

 barbels with long slender branches, outer 1^ times as long as inner. Gill-opening not 

 extending downwards beyond base of pectoral spine. Occipito-nuchal shield rugose 

 like the occiput, a little longer than broad, posterior processes obtusely pointed. 

 Humeral process slightly longer than broad, obtusely pointed, not extending so 



