426 



SILUEID.^. 



maxillary teeth forming a short and broad band ; movable mandibular 

 teeth not half diameter of eye, 45 to 54 in number. Maxillary barbel 

 without or with only a trace of marginal membrane, 1 to If times 

 length of head, reaching between anterior and posterior third of pectoral 

 spine ; anterior barbel with slender branches, 1§ to 2 times as long as 

 inner, which bears shorter but ramihed branches. Gill-opening not 

 extending downwards beyond root of pectoral spine. Occipito-nuchal 

 shield rugo&e and convex like the occiput, 1^ to If times as long as 

 broad, posterior processes pointed. Humeral process much longer than 

 broad, feebly keeled, acutely poiated, extending as far back as occipito- 

 nuchal process, or not quite so far. Skin villose on sides. Dorsal I 7 ; 



Fitr. 320. 









Sj/n odontis dfro-Jischevi. 

 Bunjako (F. N.). f . 



Spine straight or feebly curved, | to once length of head, smooth in 

 front, serrated b(diind. Adipose dorsal 3| to 4 times as long as deep, 

 ]^ to 2^ times as long as its distance from rayed dorsal. Anal IV 7-8, 

 rounded. Pectoral spine as long as or a little shorter than head, not 

 reaching ventral, ratlier strongly serrated on outer edge, very strongly 

 on inner. Ventral not reaching anal. Caudal deeply forked, n[)ner 

 lobe slightly the longer, famhil peduncle a little longer than deep. 

 ])ark brown above and beneath, witli some lighter, yellowish-brown 

 marblings or wavy cross-bands and round blackish s])ots ; fins grey, 

 with transverse series of black spots someiimes forming cross-bars. 



'fotal length 145 niillini. 



Lake \'ict()ria. — Typ'' in jjcrlin Museum. 



