190 ADDENDA, VOL. I. 



14. NANN^THIOPS, Gthr. 



1. NANNJ5THIOPS UNITJENIATUS, Gfchr. 

 Add :— 



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



Guinea. 



24-25. Ad. Lucola R. near Oabinda. 



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



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



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



33-36. Ad. & hgr. Luculla R., Cliiloango. 



1 a. NANN^THIOPS TRIT^NTATUS. 

 Bouleng. Rev. Zool. Afr. ii. 1913, p. 157. 



Depth of body 3^ times in total length, length of head 3| 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 



Fig. 120. 



Nanncetliiojys tritceniatus. 

 Type, x li. 



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

 projecting a little beyond lower ; maxillary extending to below anterior 

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

 Dorsal HI 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. 



