252 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



d^. Halichoeres. Dorsal and anal bases without basal scaly sheaths; 

 muzzle less attenuate; size small. 



m>. Upper front canines 4; black spot between front dorsal rays, 

 n'. Dorsal with oblique violet streaks, 

 o'. Lower lateral or abdominal scales lunated with shining 



yellow; anal with black dots miniatus. 



0'. Lower lateral or abdominal scales with oblique shining 

 yellow streaks; anal with oblique rosy lines. 



margaritaceus. 

 ri^. Dorsal with ocelli; anal with ocelli and crimson longitudinal 

 band, 

 p'. Cheek with rose-violet band as ring or arc; pectoral base 



without violet blotch nebulosus. 



p2. Cheek with arched rose-violet band, never circular. 



q^. Dusky blotch before pectoral base reichei . 



q^. Pectoral base with large neutral dusky blotch, extends 



upon lower humeral region desmogenys. 



?«-. Two canines in front of each jaw. 



r^. Front dorsal spines somewhat diverge; spinous dorsal 

 with black blotch, 

 s^ Black spot at fifth and sixth dorsal rays and at caudal 

 base; black blotch between front dorsal spines. 



solorensis. 

 s^. No black spot on soft dorsal. 

 0. Black blotch on spinous dorsal between fourth to 

 .seventh spines; caudal with transverse rose-violet 



bands, black at hind border papilionaceus. 



t^. Black blotch on spinous dorsal between fifth to 

 eighth spines. 

 u^. Large transverse irregular dark blotches on back; 

 pectoral base with triangular violet blotch. 



nigrescens. 

 w^. Violet band from opercle to caudal, studded with 

 white ocelli; pectoral base uniformly pale. 



bicolor. 

 r^. Front dorsal spines not divergent. 



t'K Black blotch at front of soft dorsal. 

 w^. Caudal base with black ocellus, 

 x'. Body with rosy longitudinal streaks or lines 

 crossing dark transverse bands; 4 or 5 dark 



postocular lines leparensis 



x^. No longitudinal rosy body lines; 2 dark post- 

 ocular bands binotopsis. 



v^. Black or blue blotch between anterior dorsal 

 spines only. 

 y^. Head banded. 

 z^. Two dark longitudinal bands on body from 

 snout to caudal base. 



o*. Caudal base with black ocellus; dorsal rays 17 hyrtlii. 



a*. No caudal ocelli; dorsal rays 11 poecilopterus. 



z^. No longitudinal dark bands on body; only 

 rose-violet bands on head. 

 6». Soft dorsal and anal with oblique red lines; narrow blackish triangular 

 blotch at pectoral base amboinensis 



