FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 245 



length, which 2 in head ; interorbital 21^, rather low. Gill openings 

 equidistant, last largest, about half orbit, before pectoral. Spiracle 

 large, semilunate, above and behind eye distant about % eye 

 diameter. 



Scales with keels or striae converging towards apex, smooth and 

 pavementlike on body, where worn. 



First dorsal origin opposite upper or outer pectoral angle, well 

 behind pectoral base, fin length equals head; second dorsal length 

 lYs, origin close behind basal ventral edge, high as first dorsal; 

 caudal 3 in rest of body, front subcaudal edge 2 in caudal length; 

 least depth of caudal peduncle 41^4 in head; pectoral length li/^, 

 width 1% its length, inner angle reaches opposite first fourth in first 

 dorsal base; ventral length 1% in head. . 



Upper surfaces grayish-brown, thickly sprinkled with white 

 scales. Whitish below. Pectorals, dorsals, and caudal edged black- 

 ish. Length, 857 mm. (Garman.) 



Japan. 



Subgenus Atractophorus Gilchrist 



ENTOXYCHIRUS ARMATUS (Gilchrist) 



Atractophorus armatus Giloheist, Marine Biol. Surv. Soutli Africa, Spec. Rep. 

 No. 2, pt. 3, p. 48, pi. 7, fig. 3, 1922 (type locality: Natal coast in 160 

 fathoms). — Barnard, Ann. South Afric. Mus., vol. 21, pt. 1, p. 52, pi. 3, fig. 2, 

 1925 (type).— Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 87, p. 364, 

 1935 (Durban, Natal). 



Depth 61/3 to subcaudal origin; head 3%. Snout 3% in head; 

 orbit 21/2, greater than snout; mouth width equals its distance from 

 nostrils, angle with deep groove and short labial fold on each jaw 

 about 14 mouth width ; teeth unicuspid, with cutting edge horizontal 

 except at symphysis of upper jaw, where single undeflected tooth; 

 preoral length slightly less than half of head length; nostrils at end 

 of first third in preoral length, internarial about equals preoral 

 length; interorbital low, broad. Spiracle above and behind eye, 

 distant from orbit half its distance from first gill opening. 



Scales small, accuminate, with many sharp ridges. 



First dorsal origin close behind pectoral base, fin length 1% in 

 head; second dorsal length 14^, origin close behind depressed ventral, 

 spine barbed like an arrow head ; least depth of caudal peduncle 5 ; 

 caudal 21/^ in rest of body, subcaudal front edge 2% in caudal length ; 

 pectoral li/io in head, width II/2 its length, inner angle slender and 

 reaches opposite hind basal edge of first dorsal; ventral length 21/5 

 in head. 



Color not given, apparently uniform. Length, 355 mm. (Gil- 

 christ.) 



Natal. 



