376 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Scales in lateral line 20 or 21, 5 or 6 + 2; 2 scales above lateral 

 line, 6 below, 4 predorsal; cheek with row of 4 scales. Scales with 

 19 basal radiating striae, apical 30; circuli very fine. 



D. IX, 10, I, ninth spine 23^^ to 2% in head, first ray 2}/^ to 23^; 

 A. Ill, 9, I, third spine 2J^ to 33/8) first ray 23^ to 2J^; caudal 

 1/^ to 1%, convex behind; least depth of caudal peduncle 23^8 to 

 2%; pectoral 1% to 1^^; ventral 1^ to 1%. 



Body pale brownish generally, with numerous small azure to blue 

 gray spots, dots or short bars. Pale grayish white longitudinal 

 streak from middle of opercle, little below median axis of body to 

 caudal base. Fins all pale brownish. Caudal spotted with grayish 

 white and rays of dorsals and anals each with 3 dark spots. Paired 

 fins dull brown. 



Red Sea, Zanzibar, Mauritius, India, East Indies, Tonga. 



6498. Balikias Bay. July 17, 1908. Length, 212 mm. 



12874. Catabato, Mindoro. May 20, 1908. Length, 172 mm. 



5326. Cebu Market. April 4, 1908. Length, 247 mm. OHvaceous, mottled 

 with darker. Reddish shades about mouth, sides of head and opercle. 



5858 and 5859. Near Mindanao River. May 20, 1908. Length, 202 to 232 

 mm. Teeth white below with brown edge and slight greenish tinge at base; 

 general color olivaceous, with spots of bluish green; opercle margined with 

 scarlet; belly buff white; breast and throat washed with yellow; brownish 

 shades on anal; dorsal hyaline orange. 



7298. Sablayan, Mindoro. December 12, 1908. Length, 105 mm. Teeth 

 dusky white; tip of nose blue; lip becoming orange at corner of mouth; lower 

 lip narrowly orange, blue behind, then orange. Orange stripe across pre- 

 orbital, forking behind eye; general color green; side of head broadly green, 

 with orange area above pectoral; front and margin or dorsal blue; base blue, 

 body orange, with blue incomplete central band; anal blue with incomplete 

 orange band; orange stripe in center of pectoral. 



8416. Hokuho, Soo Wan, Formosa. January 29, 1910. Length, 283 mm. 



56048 U.S.N. M. Jolo. Phihppine Commission. 1 example. Length, 250 mm. 



58032 U.S.N.M. Zamboanga. Dr. E. A. Mearns. 3 examples. Length, 240 

 to 250 mm. 



Genus LEPTOSCARUS Swainson 



Leptoscarus Swainson, Nat. Hist. An., vol. 2, 1839, p. 226. Type Scarus 



vaigiensis Quoy and Gaimard, monotypic. 

 Calotomus Gilbert, Proc. U. S. Nat. Mus., vol. 13, 1890 (1891), p. 70. 



Type Calotomus xenodon Gilbert, orthotypic. 



Upper lip double only short extent. Teeth separated, subequal, 

 imbricate, in regular oblique rows in both jaws, entirely hiding 

 dental plate; outer teeth form cutting edges to both jaws. Front 

 nostril with short cirrhus. Scales in lateral line 25 to 30. Dorsal 

 spines 9, flexible; rays 10. Anal spines 3; rays 9. 



Tropical Pacific. 



ANALYSIS OF THE SPECIES 



aK Calotomus. Eye without pale radiating lines. 



bK No dark blotch at pectoral base moluccensis. 



¥. Pectoral base with large dark blotch ._viridescens. 



a^. Leptoscauus. Eye with 8 narrow radiating pale or whitish lines. 



vaigiensis. 



