FAMILY LABRIDAE — SCHTJLTZ 185 



scales sometimes with a dusky vertical line; upper part of pectoral 

 fin with a dark blotch, rest of fin pale; (fig. 100,c). 



T. lunare (Linnaeus) 

 2b. Side of head crossed with 2 narrow blue streaks, one from near snout tip 

 past lower part of eye across operculum and ending at level of upper 

 edge of pectoral base; other from corner of mouth and curving across 

 cheek to breast; chin without plicate folds; posterior part of pectoral 

 fin blackish; dorsal half of pectoral base blackish; chin plain brownish 



or dusky in adult T. amblycephalus (Bleeker) 



2c. Coloration not as in 2a or 26. 



3a. On sides and back occur 1 (in very small specimens) to 3 rows of dark 

 blotches, each blotch composed of 5 or 6 or more dark brown 

 vertically elongate spots or short streaks, first row along back, then 

 two more on sides; in young the median row only occurs and appears 

 to be made up of W-shaped blotches; dorsal half of head with brown 

 spots and lines, lower part plain pale_-T. umbrostygma (Ruppell) 

 36. Coloration not as in 3a. 



4a. Sides of body with evenly spaced, vertically elongate dark brownish 

 lines or streaks, one crossing each scale; head plain light brownish; 

 background color of body light brownish. 



T. ballieui (Vaillant and Sauvage) 

 46. Coloration not as in 4a. 



5a. Sides of adults without any pale or darkish lengthwise streaks; 



young with black lateral streak and another blackish streak 



along back, separated by pale band; background coloration of 



body pale, or Ught brownish yellow, with head darker in adults. 



6a. Pectoral rays ii,14; chin with plicate folds. 



7a, Side of head usually with 4 or 5 dusky bands separated by pale 

 interspaces; blackish spot between first to third dorsal 

 spines; on adults, each scale may have a narrow dusky to 

 brownish vertical line, but sometimes this color mark is 

 scarcely visible; young from 23 to 50 mm. have a dark 

 lateral streak along middle of side, and a dark caudal spot; 

 underside of chin without dark crossbar. 



T. lutescens (Lay and Bennett) 

 76. Head plain dark brown, darker than body; usually a broad pale 

 bar just behind head on adults; inner ventral part of 

 pectoral fin base brownish; dorsal and anal fins plain dark 

 brown; distal edge of caudal fin of adults brown; distal 

 edge of dark brown dorsal and anal fins at most only white; 



(fig. 100,a) T. duperry (Quoy and Gaimard) 



66. Pectoral rays ii,13; chin not plicate but smooth. 



8a. Side of head crossed with 2 narrow blue streaks; dark blotch 

 distally on pectoral fin extends to tip of upper rays; caudal 

 fin generally dark brown distally. 



T. arablycephalus (Bleeker) 

 86. Upper half of head and body dark brown, with no light band 

 along back; outer edges of caudal fin rays blackish distally; 

 remainder of fin lighter in color; (fig. 100,6; pi. 99, D). 



T. lucasanum « (Gill) 



<' Julis lucasanus Qill, Proc. Acad. Nat. Sci. Philadelphia, vol. 14, p. 142, 1862 (type locality, Cape San 

 Lucas). 



