1918.] 



NATURAL SCIENCES OF PHILADELPHIA. 



41 



anal spine 2f ; least depth of caudal peduncle 2|; upper caudal lobe 1; 

 pectoral Ij; ventral 1|. 



Body elongate, compressed, profiles nearly alike and deepest at 

 spinous dorsal origin. Caudal peduncle compressed, least depth 

 Ih its length. 



Head moderately ovate in contour, well compressed, flattened 

 sides scarcely converge above or below, profiles alike and upper little 

 more inclined. Snout convex in profile and over surface, long as 

 broad. Eye moderate, rounded, elevated close to upper profile, and 

 hind pupil edge about michvay in head length. Mouth moderate, 

 incUned little from horizontal, and lower jaw slightly included in 

 upper. Maxillary about reaches to pupil center, expansion 1| in 



Fig. 16. — Upeneoides belaque sp. nov. 



eye. Lips narrow, fleshy. Teeth granular in about 3 irregular rows 

 in each jaw. Patch of granular teeth on vomer and each palatine. 

 Inner buccal folds narrow. Tongue thick, fleshy, adnate. Mandible 

 shallow and rami little elevated inside mouth. Barbels short, 

 reach hind preopercle edge. Nostrils well separated, front one 

 simple pore little nearer eye than snout tip, and hind one short slit 

 close before middle of front eye edge. Interorbital slightly elevated 

 convexly, flattened medially. Preorbital broad, width nearly 

 equals eye. Preopercle edge entire. Opercle ends beliind in 2 

 small close-set spines above, concealed by scales. 



Gill-opening forward to front eye edge. Rakers 8+20, lanceolate, 



