— 56-- 



a little behind, the anterior margin of the eye. Soft 

 dorsal and anal fins obtusely angular; caudal forked, 

 with pointed lobes ; the fifth, sixth and seventh dorsal 

 spines longest. In life a blue spot in the axil of the 

 pectoral ; operculum with a blue border ; a blue line 

 above, and parallel to the intermaxillary; another 

 above the eye, and a third from the nostril to the occi- 

 put, the interspinous membrane of the dorsal with a 

 series of short longitudinal blue streaks or spots eight 

 or ten between every two dorsal spines. 



Heliastes Chrysurus Uo^---l 



D. 13/14. A. 2/12-13. L. lat. 20. L. tr. 2-3/9. 



The height of the body is contained twice in the 

 total length (without the caudal fin) ; eye, 2| in the 

 length of the head, and equal to the width of the in- 

 terorbital space ; teeth in a band, the outer series 

 larger than the rest, the third, fourth, fifth and sixth 

 dorsal spines the longest, a little more than one half 

 the length of the head ; second anal spine longer than 

 any of the dorsal spines and contained 1 ^ times 

 in the length of the head ; caudal fin deeply forked. 

 In spirits, body, spinous dorsal and ventrals very dark ; 

 each scale with a green centre and a dark margin ; 

 tail and soft dorsal whitish, caudal fin yellow, with 

 upper and lower margins black, and light colored, 

 with a broad dark margin ; axil of pectoral black ; a 

 dark streak under the eye. 



