STLUIUD.K. 



319 



lateral, 5 times in length of head, 1^ times in interoibital width; lips 

 niodciately developed ; pia-nia\illary teeth forming a short and broad 

 band; movable mandibular teeth f, diameter of eye, 25 in number. 

 Maxilhnv baibcl witli a broad marginal membrane at base, as long as 

 head, reaching a little beyond base of pectoral spine ; outer mandibular 

 barbel about twice as long as inner, former with long slender branches, 

 latter with ramified brandies, (iill-openings not extending downwards 

 beyond root of pectoral spine. Occiiiito-nuchal shield rov.gh like the 

 occiput, very obtusely tectifmni, 1.^ limes as long as broad, witli rounded 



Fig. 188. 



iS^nvdoHtw sleiiuhichnoi. 

 Type. I 



posterior processes. Humeral process acutely pointed, longer tlian 

 broad, granulate, without kcol, extending as far back as occipito-nuchal 

 ])rocess. Uorsal I 7 ; spine as long as head, feebly curved, striated, 

 with feel)ly retrorse serra^ in front in its u{iper part, strongly serrated 

 behind. Adipose dorsal 3 times as long as deep, as long as its distance 

 from rayed dorsal. Anal IV (1, obtusely pointed in front. Pectoral 

 spine slightly shorter than dorsal, not reacliing ventral, strongly sei rated 

 on outer border, very strongly on inner. Caudal deejjly forked, ujjpor 

 lobe the longer. Caudal peduncle as long as deep. Dark olive-brown, 

 body finely speckled with bhuk. 



