1918.] NATURAL SCIENCES OF PHILADELPHIA. 61 



length of fin and latter not quite to anal origin. Vent about midway 

 between ventral spine tip and spinous anal origin. 



Color in alcohol pale russet-brown on front, shading off on front 

 of back to chocolate-brown above medianly and posteriorly, which 

 latter tint uniformly over dorsals. Region above anal, caudal fin, 

 and anal fin chocolate-brown, fins of darker tint. Pale transverse 

 streak on caudal peduncle and caudal base with broad dark transverse 

 area. Median caudal rays dusky, outer pale. Dusky-brown blotch 

 on upper half of pectoral base and slightly on hmneral scale also. 

 Lower surface of head, breast and belly all pale or light brownish. 

 Lips grayish. Iris pale slaty. Pectoral grajdsh, paler below. 

 Ventral blackish-brown, front and hind margins broadly pale. 



Length 93 mm. 



Type, No. 47,538, A. N. S. P. 



Philippine Islands. Presented by the Commercial Museums of 

 Philadelphia. 



(i)/^;.av-^ black; 4'-^^"'-', bracelet; with reference to the black pectoral 

 bases.) 

 Chromis scotochilopterus sp. nov. Fig. 24. 



Head 3i; depth 2; D. XIII, 11; A. II, 11; P. ii, 16; V. I, 5; tubes 

 in upper arch of lateral line 19, and 9 in straight section to caudal 

 base; 3 scales above 1.1. to spinous dorsal origin, and 9 scales in 

 vertical row below to spinous anal origin; predorsal scales about 32; 

 head width If in its length; head depth 1 ; mandible 2f ; fourth dorsal 

 spine 2; fourth dorsal ray 1|; second anal spine 1|; sixth anal ray 

 If; least depth of caudal peduncle 2; ventral lyV J snout 4 in head 

 measured from upper jaw tip; eye 3; maxillary 2|; interorbital 3. 



Body well compressed, contour deeply ellipsoid, greatest depth 

 ixddway in its length, edges convex. Caudal peduncle well com- 

 pressed, length f its least depth. 



Head large, deep, compressed, flattened sides slightly constricted 

 below, and upper profile slightly steeper. Snout slightly convex in 

 profile, length half its width. Eye large, rounded, scarcely elevated, 

 hind edge but slightly behind center in head length. Mouth oblique, 

 gape moderate, lower jaw slightly protruded. Maxillary reaches 

 slightly beyond front eye edge, not quite to pupil. Lips rather 

 narrow, fleshy. Teeth short, strong, conic, in outer row in each 

 jaw, and those in front little larger than others. Inner teeth fine, 

 minute, crowded close behind outer row. No teeth on roof of mouth 

 or on tongue. Inner buccal folds broad. Rami of mandible but 

 little elevated inside mouth. Nostril about last | in snout length. 



