384 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



(P. Dorsals without median longitudinal band, edges and bases some- 

 times narrowly blue or green. 



/i'. No pale band from eye to suprascapula. 



i'. Five dark bars or blotches on back; no canines; teeth 



well exposed caudofasciatus. 



i*. No dark transverse bars or blotches on body. 



j^. Yellow line from snout tip to eye and another across 

 lower lip to rictus, then to lower eye edge; some- 

 times yellow interorbital line dussumieri. 



j^. Green or dusky band from snout tip to eyes, then 

 back horizontally on head; lips cover teeth. 



fc'. No canines; fins uniform oviceps. 



k^. Canines present; lower half of anal green or 



yellow pectoralis. 



i*. No green or yellow line or band from snout tip or rictus 

 to eye. 

 U. Pectoral origin without small dark spot. 



m'. No pale longitudinal lines on side of abdomen. 

 71 1. Body without dark vermiculations or 

 mottling. 

 0^. Body largely uniform brown or olive, 

 p^ Pale band across each lip; preopercle 



scales 2 — 2 lineolabiatus. 



p 2. Dorsals and anals with narrow blue edges; 



preopercle scales 2 — 2 balinensis. 



p*. Deep dusky green; preopercle scales 4 — 4. 



viridibusius. 

 0^. Middle of side of head and body blue. 



tricolor. 

 0^. Cheek with large variable yellowish or 

 greenish blotch and variable yellow spots, 

 lines or blotches on lower surface of head; 

 pectoral blue, with brown or red sub- 

 marginal band above; canines strong. 



blochii. 

 n*. Head above, trunk and tail with dusky ver- 

 miculations rubroviolaceus. 



n*. Head and caudal peduncle and caudal fin 

 pale, only trunk and front of tail dark 

 and with fine dark vermiculations. 



vermiculatus. 

 m^. Side of abdomen with 3 pale or white longi- 

 tudinal lines dubius. 



P. Small black spot at pectoral origin; canines sel- 

 dom present hypselopterus. 



A 2. Broad pale or yellow band from upper hind eye edge to 

 suprascapula, sometimes onh' small pale suprascapular 

 spot or several pale spots remain behind eye; color other- 

 wise largely deep dusky; canines strong.. nuchipunctatus. 



c*. Body spotted with light gray or whitish; no canines guttatus. 



b*. Upper profile of head gibbous above eye; teeth exposed; no canines; 



uniform brown muricatus. 



o^ Cheek with 3 rows of scales; lips largely cover teeth; lower portion of head, 

 trunk and tail dark gray, mottled in strong contrast with blackish; fins 

 uniform, vertical ones narrowlj' edged blue; no canines bicolor. 



