FISHES OF THE PHILIPPINE AND ADJACENT SEAS 251 



Acanthurus triostegus var. sandvicensis Streets, Bull. U. S. Nat. Mus., No. 



7, 1877, p. 67. Honolulu. 

 Hepatus sandvicensis Fowler and Ball, Bishop Mus. Bull., No. 26, 1925 



(1926), p. 19 (Laysan, Lisiansky, Johnston Island, Wake Island, French 



Frigate, Necker). 

 Teuthis iroughtoni Whitley, Rec. Australian Mus., vol. 16, No. 4, March 28 



1928, p. 233, pi. 16, fig. 1. Naunaha Island, Vanikoro Lagoon and Peu, 



Vanikoro, Santa Cruz Group. 



Depth 1^ to 1J4; head 3 to 33^, width 1^ to VA. Snout 1}4 to 

 1% in head; eye 2^ to 4, 1% to 2^ in snout, 1 to 134 ^ interorbital; 

 teeth 14 to 18 in jaws, rather large; maxillary 3% to 3% in head; 

 interorbital 2% to 3, broadly convex; with age striae on humeral 

 arch and rather obscme though coarser ones on preopercle flange 

 and opercle. Gill rakers 5 + 16, short, bifid, rather flexible. 



Scales ovate, very small, closely imbricate, with very minute circuli; 

 apical denticles 9 to 12, with 3 to 5 transverse series mostly as well 

 formed cusps. 



D. IX, 22, 1 to 24, 1, last spine 1% to 2 in head, third ray \}4 to 2 

 in head; A. Ill, 20, i or 21, i, third spine I'J/g to 2, first ray 2 to 2}4', 

 caudal slightly emarginate, truncate as expanded, 33^ to 434 in com- 

 bined head and body; pectoral 1}/^ to 13<^ in head; ventral 134 to 

 13^; caudal spine 2 to 23^. 



Body and head pale brown above, becoming white below. Five or 

 six transverse dusky-brown to blackish narrow bands, narrowing 

 below; first from occiput through eye down to lower cheek; second 

 from front of spinous dorsal to pectoral axil, but not continued below 

 base of fin; third from middle of spinous dorsal; fourth at front of 

 soft dorsal; fifth close behind middle of soft dorsal; sixth, when pres- 

 ent, irregularly as blotch or bar on caudal peduncle, either above or 

 below. Dusky spot usually at pectoral base. Dark brownish line, 

 usually present, bounds upper color of body from chin along lower 

 side, at least to anal. Vertical fins all dull olivaceous to brownish, 

 though anal with white border all around. Paired fins pale, ventrals 

 whitish. Iris pale yellowish. 



Mauritius, India, West Australia, East Indies, Philippines, Melane- 

 sia, Polynesia. 



14316, 14318. Cabugan Island, Hinunangan Bay, Leyte. July 30, 1909. Length 

 115 to 145 mm. 



14317. Same locality. July 31, 1909. Length 144 mm. 



Three examples. Camiguin Island, from Malimoa fishermen. August 3, 1909. 

 Length 55 mm. 



13996. Gandra Island. September 20, 1909. Length 167 mm. 



15526 [1701]. Langao Point, southern Luzon. June 24, 1909. Length 173 mm. 

 Dark greenish above, fading white below. Transverse bars begin nearly as 

 black spot at dorsal bases, fading to bistre below. Breast and belly white. 

 Dark median band on front of head. Dorsals pale greenish, as body, dusky 

 basaUy, especially anteriorly. Black blotch on caudal peduncle above at base 



