344 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



e^. Head and body more slender, former pointed. 



gK Soft vertical fins not variegated with darker. 



A'. Lower side of head with 8 or 9 blackish lines inclined 



backward diagramus. 



h^. Gray or reddish lines, more or less radiating from eye. 



unifasciatus. 

 g^. Soft vertical fins greenish, ribbed with dusky; muzzle 



attenuate rostratus. 



a'. Thalliurus. Dorsal spines 10; brown with reddish spots; vertical fins 

 and ventrals with yellow spots chlorurus. 



CHEILINUS BIMACULATUS Valenciennes 



Cheilinus bimaculaius Valenciennes, Hist. Nat. Poiss., vol. 14, 1839, p. 96. 

 "Onarourou" (Honolulu). — Jordan and Evermann, Bull. U. S. Fish 

 Comm., vol. 23, pt. 1, 1403 (1905), p. 320, pi. 38 (Honolulu and Hilo). 



Cheilinus ceramensis Bleeker, Nat. Tijds. Ned. Indie, vol. 3, 1852, p. 290. 

 Wahai, northern Ceram. — Bleeker, Atlas Ichth. Ind. N6erl., vol. 1, 1862, 

 p. 62, pi. 28, fig. 4 (Bali, Solor, Timor, Amboina, Ceram, Banda). — 

 GtJNTHER, Cat. Fish. Brit. Mus., vol. 4, 1802, p. 127 (Amboina and Anei- 

 teum). — Martens, Preuss. Exp. Ost Asien, 1876, p. 397 (Amboina). — 

 Regan, Trans. Linn. Soc. London, (2) Zool., vol. 12, 1907, p. 230 (Mal- 

 dives, Seychelles). — Beaufort, Bijd. Dierk. Amsterdam, vol. 16, 1913, 

 p. 130 (Ambon). 



Chilinus ceramensis Gunther, Journ. Mus. Godeffroy, vol. 7 (15), 1881, p. 

 245 (Zanzibar and Aneiteum). 



Depth 2>g to 3; head 2% to 2>g, width 2^ to 2H- Snout 3J^ 

 to 33^ from snout tip; eye 4^^ to 4^, 1^ to 1,^ in snout, 1 to 13<^ in 

 interorbital; maxillary 33^ to 3^ in head, reaches to eye; interorbital 

 43^ to 4^, convex. Gill rakers 5 + 5, short. 



Scales in lateral line 12 to 15 + 5 to 7 + 2; 2 scales above lateral line, 

 5 or 6 below, 6 or 7 predorsal. Scales with 12 to 14 basal radiating 

 striae, apical 15 to 20; circuli very fine. 



D. IX, 10, I, ninth spine 2}/i to 2^ in total head length, seventh 

 ray 1^ to 2^; A. Ill, 8, i, third spine 23^ to 23^, seventh ray 

 1% to 2; least depth of caudal peduncle 23^ to 2%; pectoral 1^ to 

 23^; ventral 13^ to 1^; caudal with upper and median rays produced, 

 1 J^ to 2% in combined head and body or long as head in young. 



Back chocolate or vandyke brown, sometimes sides more or less 

 walnut brown. Below lateral line scales on middle of side all more 

 or less edged dusky and often with several obsolete dark blotches, 

 sometimes these only as 1 or several very dusky scattered scales 

 though then all in same level or within same row of scales. Lower 

 sides and under surface wood brown to Isabella color, uniform. 

 Neutral dusky postocular spot not larger than pupil, edged pale 

 yellow. Also 2 pale yellow lines radiate from eye toward snout tip, 

 2 below to rictus, 3 behind across upper cheek, and 3 rather imperfect 

 or broken 'above into interorbital. Fins pale buff. At front of 

 spinous dorsal dusky black blotch. Often soft dorsal more or less 



