418 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Known only from the East Indies, and the PhUippines as listed 

 below. It appears to differ from Callyodon microrhinos in the even 

 convex upper profile anteriorly and the presence of a blue or green 

 median longitudinal band on both dorsals and anals. 



8111. Alimango Bay, near ship's anchorage. March 5, 1909. Length, 243 mm. 

 (Canines, upper, 2 — 2; lower, — 0.) 



6524. Port Maricaban. July 21, 1908. Length, 252 mm. (Canines, upper, 

 2—2; lower, 0—0.) 



4943. Tataan, Tawi Tawi Group. February 20, 1909. Length, 345 mm. 

 (Canines, 1 — 1; lower, — 0.) General color emerald green, becoming darker 

 green on top of head; scales bounded by dark dahUa purple, lower parts with 

 lilac shades; upper and lower lips bright beryl green; teeth very pale green; chin 

 with beryl band, separated from lip by greenish buff. Median stripe of green- 

 ish blue on the branchiostegal junction; from the corner of mouth backward 

 toward pectoral broken stripe of beryl; orbit edged with same. Dorsal bright 

 green at base, body of fin yellowish green; on front and top blue band set off by 

 a submarginal black line; series of round green blotches in centers of mem- 

 branes of posterior half. Caudal with blue on edges and tip within fork, 

 lobes and distal half beneath bright emerald green, base purplish. Anal 

 purplish green, front and margin with blue band about width of pupil resting 

 on black; vertical edge and base bright green, and bright green bar through 

 middle. Ventral pale blue, front margin bright. Pectoral dull greenish blue, 

 becoming hyaline distally below, with purplish shades through center above. 

 Iris bronzy. 



A. 975. Binang Unang Island, Dutch East Indies. November 17, 1909. 

 Length, 320 mm. (Canines, upper, — 1; lower, — 0.) 



CALLYODON MICRORHINOS (Bleeker) 



Scarus microrhinos Bleeker, Nat. Tijds. Ned. Indie, vol. 6, 1854, p. 200. 



Batavia, Java. 

 Pseudoscarus microrhinos Bleeker, Atlas Ichth. Ind. N^erl., vol. 1, 1862, 



p. 22, pi, 3 (Java and Celebes). 

 Pseudoscarus microrhinus Bleeker, Ned. Tijds. Dierk., vol. 4, 1874, p. 116 



(China). 

 Pseudoscarus microrhinus Giinther, Journ. Mus. Godeffroy, vol. 8 (16), 1909, 



p. 322, pi. 156 (Ponape, Ruk, Mortlock, Fiji, Samoa, Society Islands). 

 Scarus frenatus (Kuhl and Van Hasselt) Bleeker, Atlas Ichth. Ind. 



N6erl., vol. 1, 1862, p. 22 (name in synonymy). 

 Callyodon ultramarinus (Jordan and Seale) Seale, Occas. Pap. Bishop 



Mus., vol. 4, No. 1, 1906, p. 63, fig. 16 (head). Mangareva, Gambler 



Islands; Apia, Samoa. 



Depth 2% to 2%; head 2% to 2%, width 2^4 to 2i^. Snout 

 2 to 23/85 eye 7 to 8 (5 in young), 3 to 4 in snout (2^ in young), 

 2}4> to 3 in interorbital (1% in young); mouth cleft 4 to 5 in head; 

 lips cover only basal third of teeth; canines absent, or usually 1 or 2 

 above each side; interorbital 3 to 33^, convexly elevated, with 

 gibbous prominence close before and above small nostrils, of which, 

 posterior only twice size of anterior in adults. Gill rakers 20 + 35, 

 flexible, slender. 



Scales in lateral line 18 or 19+4 or 5 + 2; two scales above lateral 

 line, 6 or 7 below, 4 predorsal; cheek with 3 rows of small scales. 



