544 



PROCEEDINGS OF THE ACADEMY OF 



[Oct. 



till within occipital process, and latter extends about | of distance 

 to dorsal origin. 



Gill-opening extends forward about opposite front pupil edge. 

 Rakers about 6 + 10, slender, short, little less than filaments, and 

 latter about 3 in eye. Isthmus narrowly constricted, surface convex. 

 Branchiostegals rather small, subequal. 



Scales moderate, well exposed in longitudinal series, each with 

 a few radiating striae, and of nearly uniform size. Caudal base 

 scaly, and a few scales in a row along anal base in front. Free 

 pointed axillary ventral scaly flap, its length about | that of fin. 



Fig. 12. — Hemigram7nus melanochrous Fowler. (Type.) 



L. 1. incomplete, of simple short tubes, anterior on scales, and its 

 extent not quite so far back as tip of depressed pectoral. 



Dorsal inserted midway between snout tip and hind edge of 

 adipose fin, first branched ray longest, and depressed fin reaches 

 about I to caudal base. Adipose fin with base over last anal rays, 

 fin about | of eye. Anal inserted slightly behind base of dorsal 

 ray, first branched ray longest, forms with other anterior rays 

 elevated pointed lobe. Caudal well forked, lobes pointed and equal. 

 Pectoral long, pointed, upper rays longest, and tip of depressed fin 

 extending slightly beyond ventral origin. Ventral inserted slightly 

 before dorsal and depressed fin reaches anal. Vent close before anal. 



Color in alcohol dull brownish generally, made up of small dusky 

 dots, forming broad nebulous area all along sides and well-defined 



