190 ADDENDA, VOL. I. 



U. NANN^THIOPS, Gtlir. 



1. XANN^THIOPS UNITiEXIATUS, Gtlir. 

 Add :— 

 19-23. Hgi-. Culufi R. at Batata, Portug. Dr. W. J. Ansorge (C). 



Guinea. 

 24-25. Ad. Lucola R. near Cabinda. „ 



26-27. Ad. Chiloango R. at Sassa Zau. „ 



28-29. Ad. Lnali R, at Lundo. ,-, 



30-32. Hgr. Lebuzi R. at Kuka Muno. 



33-3G. Ad. & ligr. LucuUa R., Cliiloango. 



la. NANN^THIOPS TRIT^NTATUS. 

 Bouleng. Rev. Zool. A£r. ii. 1913, p. 157. 



Depth of body 3^ times in total length, length of head 3J times. 

 Head twice as long as broad, a little longer than deep, smooth above ; 

 snout rounded, shorter than eye, which is 3 times in length of head 



NannmtliiOjiS tritceniaius. 

 Type. X 1|. 



and a little less than iaterorbital width ; mouth subterminal, upper lip 

 projecting a little beyond lower ; maxillary extending to below anterior 

 bolder of eye. Gill-rakers short, 10 on lower part of anterior arch. 

 Dorsal III 10-11, originating above ventral, its base nearer caudal than 

 eye. Anal III 7. Pectoral a little more than | length of head, a little 

 longer than ventral. Caudal forked, with pointed lobes. Caudal 

 peduncle as long as deep. 34-35 scales in longitudinal series, 12 in 

 transverse series, 4^-5 between lateral line series and ventral fin ; 

 lateral line reduced to the 5-8 anterior scales. Three black streaks 

 along each side, the median broadest. 

 Total length 40 millim. 



