186 ^-S. NATIONAL MUSEUM BULLETIN 202 Vol. 2 



8c. Side of head plain brown; dark blotch on pectoral fin narrow 

 and not extending to tips of rays; distally the caudal fin is 



brown T. steindachneri ** Jordan 



56. Sides with one or two whitish or dark bands, with or without narrow 

 white transverse or vertical streaks. 

 9a. Background coloration light olive to dark brown or blackish, with 

 2 pale lengthwise streaks usually visible on sides, one along 

 upper side and the other along middle, these bordered above 

 and below by blackish streaks, often composed of a 

 dark blotch on each scale; radiating from eye 6 dusky to 

 blackish streaks; hps and chin whitish; in small specimens, 

 dorsal fin has a black spot between first to third spines, 

 another between second and third soft rays, and one at base 

 of each dorsal fin ray, but this may be lacking at bases of 

 fifth and ninth rays_.T. quinquevittata (Lay and Bennett) 

 9&. No pale band on operculum and breast as in T. purpureum; margin 

 of operculum pale (blue when aUve) ; background coloration 

 hght brown to brownish; two brownish bands (green blotches 

 when ahve), one along upper side and the other along middle 

 of side; blotches connected by orange lines, the pale inter- 

 spaces orange or reddish; head orange, upper lips blue, chin 

 blue; two blue spots over eye, one below it. 



T. fuscum (LacepMe) 

 9c. A pale band (orange when aUve) extends from rear of orbit 

 obUquely downward across operculum, forking posteriorly, 

 thence continuing on breast as a band under pectoral fin 

 base; front of snout reddish with a green streak across snout 

 just above lips; lips and rest of head green; background colora- 

 tion Ught brownish or ohve, a dusky or brownish band 

 (reddish when alive) on back, lower sides with 2 pale bands 

 (reddish when alive) connected by vertical pale lines. 



T. purpureum (Forsk&l) 



THALASSOMA HARDWICKEI (Bennett) 



Plate 107,D 



Sparus hardmcke Bennett, Fishes found upon the coast of Ceylon, p. 12, pi. 12, 

 1834 (type locaUty, Ceylon). 



SPECIMENS STUDIED 

 Bikini Atoll: 3 stations, 3 specimens 26 to 91 mm. in standard length. 

 Eniwetok Atoll: 1 station, 1 specimen, 46 mm. 

 Rongelap Atoll: 3 stations, 6 specimens, 25 to 93 mm. 

 Rongerik Atoll: 2 stations, 4 specimens, 41 to 60 mm. 

 Likiep Atoll: 1 lot, Univ. Washington, 16 specimens, 40 to 104 mm. 



Description. — Certain counts are recorded in table 101. 



Head 2.9 to 3.0; greatest depth 3.0 to 3.2; longest pectoral ray 4.3 

 to 5.0; snout tip to anus 1.7 to 1.8; snout to dorsal origin 2.7; all in 

 standard length. Snout 2.9 to 3.1; eye 3.6 to 5.0; postorbital length 



" Thalassoma steindachneri Jordan, Rep. U. S. Comm. Fish,, vol. 15, p. 684, 1887 (type locality. Acapulco; 

 after Steindachner; not JtUU melanochir Bleeker). 



