50 PROCEEDINGS OF THE ACADEMY- OF • i [Feb.. , 



seven series of papillae at widest part, median inner ones largest. 

 Tongue thick, little developed, not free, well back. Mandibular 

 rami short, high in mouth. Nostrils large,'^ together, posterior 

 much larger, directly before and close to eye, so that frenum falls 

 about last fourth in snout length. Interorbital broadly convex. 

 Preorbital about 1| in snout, its width about half its own length. 

 Infraorbital much narrower than preorbital. Preopercular ridge 

 obsolete and vertical. Opercle smooth, width about If its depth. 

 Occipital fontanelle well developed, extends forward close behind 

 level of hind eye margins, rather narrow. 



Gill opening extends forward for last fourth in head. Gill-rakers 

 11 + 7, 6, upper ones lanceolate, about ^ length of longest filaments, 

 and all flexible. Filaments 2| in snout. Pseudobranchise much 

 smaller than filaments. Pharyngeal bones rather small, with 

 moderately small teeth below but gradually enlarged above till 

 uppermost 6 much larger, cuneate, compressed, and all uniserial. 

 Isthmus broad. Branchiostegals 3, robust, subequal. 



Scales all smaller and more crowded on anterior portion of body, 

 those on breast much smaller and completely covering that region. 

 Scales on belly much smaller than those on predorsal region of back. 

 No free axillary scaly flaps, scales in those regions all adnate. Body 

 scales distributed in longitudinal series parallel with lateral line. 

 Latter complete, extends in nearly straight course along side medianly 

 and each tube well exposed back nearly to hind edge of scale, where 

 it ends often with a slight notch or emargination. Rays of anal and 

 lower lobe of caudal each with a series of well-spaced tubercles, 

 and scales along lower surface of caudal peduncle also show traces 

 of similar tubercles, possibly one to each scale. 



Dorsal origin very slightly nearer snout tip than caudal base, 

 first branched ray longest or reaching back slightly beyond base 

 of last branched ray, and depressed fin extends 1| to caudal base. 

 Anal inserted about opposite hind end of depressed dorsal, rays all 

 greatly branched distally, and depressed fin extends back slightly 

 beyond caudal base. Caudal moderate, well emarginated behind, 

 and lobes with rounded ends. Pectoral low, rather broad, extends 

 back If to ventral origin. Latter inserted just behind base of third 

 branched dorsal ray, fin 1^ to anal origin and depressed hind edge 

 slightly emarginated. Vent close before anal. 



Color in alcohol largely dull brownish, lower surfaces pale creamy- 

 brown. Head pale brown, much lighter below. Lips pale like lower 

 surface of head. Iris brassy, pupil slaty. Along side of body 

 medianly from behind gill-opening to caudal base, also largely 



