450 BULLETIN 100, UNITED STATES NATIONAL MUSUEM 



(types, Zanzibar, Madagascar, Reunion). — Boulenger, Proc. Zool. Soc. 

 London, 1887, p. 664 (Muscat). — Day, .Fishes of India, Suppl., 1888, 

 p. 804; Fauna British India, vol. 2, 1889, p. 426. — Gunther, Journ. Mus. 

 Godeflfroy, vol. 8 (16), 1909, p. 309 (Muscat, Java, Ponape, Fat6). 

 Pseudoscarus ismailius Kossmann and Rauber, Zool. Ergebn. K. Acad. 

 Berlin, vol. 1, 1877, p. 27. Red Sea. 



Depth 2% to 2ys) head 2% to 3, width 2%. Snout 2}i to 2^; 

 eye 6J^ to 8, 2% to 3K in snout, 2)4 to 2% in interorbital; mouth 

 cleft A:}/2 to 4^; Hps cover % of teeth; 1 or 2 hind canines usually 

 present above, and often 1 each side below; hind nostril in adult four 

 times front nostril or about % of pupil; interorbital 3}^ to Z}/i in 

 head, convex, elevated. Gill rakers 17 + 30, short, flexible, slender. 



Scales in lateral line 17 to 19 + 5 or 6 + 2; 2 scales above lateral 

 line, 6 below, 5 to 8 predorsal; 3 rows of cheek scales, with lowest row 

 2 scales on preopercle flange, rarely 1. Scales with 28 to 31 basal 

 radiating striae, apical 52 or 53; circuli very fine. 



D. IX, 10, I, ninth spine 2% to 33^ in head, first ray 23^ to 2>%\ 

 A. Ill, 9, I, third spine 3^ to 4%, first ray 2% to 3^^; caudal 1 to 

 \}/i, deeply emarginate, tips well exserted; least depth of caudal 

 peduncle 2}y^ to 2%; pectoral 1)4, to 1%] ventral 13^ to 2. 



Largely dull uniform brown. Trace of greenish band along upper 

 eye edge and horizontally forward or continued little posteriorly 

 from eye, though not always present. Sometimes greenish line 

 across interorbital connecting eyes. Greenish band around each lip. 

 Iris yellowish brown. Teeth whitish. Fins all brownish like body, 

 edges of vertical ones little darker. Pectoral with submarginal 

 dull rosy brown band above. Caudal with marginal and median 

 transverse greenish band. 



Arabia, Zanzibar, and Madagascar to the East Indies, Micronesia 

 and Melanesia. 



9621. Agojo Point, Catanduanes Island. June 10, 1909. Length, 187 mm. 

 (Canines, upper, 1 — 1; lower, — 0.) 



A. 497. Balukbaluk Island. September 12, 1909. Length 262 mm. (Canines, 

 upper, 1 — 1; lower, 1 — 1.) Teeth white; top of head pale purplish or slightly 

 slaty; lips blue, pink behind blue and blue or green bar still posterior, extend- 

 ing from corner of mouth back along under eye and becoming diffused on 

 opercle; interocular green bar vertically above eyes, little broader than pupil; 

 short dash of green anterior on interorbital space; occipital region variously 

 shaded vrith green; dashes of green on opercle, none on cheek or lower head; 

 blue throat line not distinctly continued on ventral surface; scales of back 

 broadly reddish, narrower green bar through center of each, tip of scale trans- 

 parent shows red below; on middle of side behind pectoral reds become obscure 

 and the general shade pale green; breast and belly pink with blue washes; 

 front and margin of dorsal, anal, and caudal lobes broadly blue. Dorsal 

 body red, base green. Anal green at base, broader at central bar. General 

 color of caudal purplish, paling to reddish in fork terminally; green crescent 

 through middle of fin and short blue bar connecting horns near tip in fork; 

 three green spots at base. Ventrals pale blue. Pectorals purpKsh, upper rays 

 blue and greenish bar at base of rays on pink fleshy portion. 



