1915.] NATURAL SCIENCES OP PHILADELPHIA. 537 



low, little inclined, jaws about even. Maxillary extends back about 

 opposite hind nostril. Lips rather firm, well developed, fleshy. 

 Chin with two small pores below, and behind large deep median one. 

 Teeth conic, firm, simple, in broad bands in jaws, none on tongue 

 or roof of mouth. Upper and lower buccal folds broad, papillose. 

 Tongue broad, depressed, rounded and free in front. Mandible 

 depressed, rami strong, elevated little behind inside mouth. Nostrils 

 together, close before front eye edge, anterior lower and twice size 

 of posterior. Interorbital convex. Hind preopercle edge vertical, 

 with more or less concealed though well-developed row of serrge, 

 and slightly salient rounded angle unarmed. Suprascapular scale 

 with membranous edge. 



Gill-opening extends forward about opposite middle of pupil. 

 Rakers 9 + 12, lanceolate, compressed, about 4 in eye. Filaments 

 If in eye. Pseudobranchise 2| in eye. Isthmus narrow and with 

 branchiostegal membrane forming strong free fold across front 

 portion. 



Scales moderate, most finely ciliated, above lateral line in oblique 

 rows sloping up to dorsal fin, and below in horizontal rows. Scales 

 reduced on front of breast, along bases of dorsals and anal, on caudal 

 base, head above and cheek, so that last has ten rows from eye 

 below to lower corner of preopercular ridge. Except basal scaly 

 sheaths, of dorsals and anals, fins entirely naked. Caudal largely 

 covered with very minute scales. Base of pectoral with minute 

 scales. Muzzle largely naked. Pectoral with rounded axillary 

 scaly sheath, and ventral with pointed axillary scale about | length 

 of fin. Lateral line complete, concurrent with dorsal profile, tubes 

 simple, each slightly upturned, and extends out basally on caudal 

 to middle of fin. 



Spinous dorsal with nearly entire edge, third spine longest and 

 first shortest. Soft dorsal lower, uniform. Spinous anal small, 

 first spine shortest and second longest, and rayed fin like soft dorsal. 

 Caudal broad, broadly forked, lobes pointed and upper longer. 

 Pectoral moderate, low, upper rays longer. Ventral inserted behind 

 pectoral base, spine f length of fin, and extends f to anal. Vent well 

 before anal. 



Color in alcohol deep sooty-brown generally, tinged with dull 

 olivaceous, and back and sides above lateral line, with an obscure 

 mottled appearance. Large dusky-brown humeral blotch about 

 equal to twice extent of eye in area, and also embraces upper hind 

 opercular edge. Behind this, just below lateral line, several obscure 

 3.5 



