24 POMACENTKlD.i;. 



spines increase in length towards behind ; caudal lin emarginate, with 

 the lobes rounded. Blue, with very numerous small vermiculated 

 black lines which suppress one-half oi' the g-round-colour on the upper 

 parts of the sides ; the spots are less numerous on the lower parts, 

 each scale having a black dot at the base and three or four very small 

 ones towards the margin. Vertical fins brownish-black, with series 

 of blue dots, the outer series being formed by the largest dots. 



He de France. 



The above characters have been given on the authority of Cuvier, 

 the desci-iption and figure by Quoy and Gaimard difi'ering from each 

 other and from Cuvier's account in several respects. 



19. Pomacentrus melanotus. 



Bkch. Act. Soc. Sc. Indo-Xcderl iii. Celebes, x. p. 13. 

 D.jf. A.^l. L. lat. 28. 



The height of the body is one-third of the total length ; pra^orbital 

 serrated. The dorsal spines increase in length towards behind ; caudal 

 with the lobes rounded. The upper part of the head and the anterior 

 part of the back brown, the posterior and aU the lower parts yellow ; 

 sides of the head with whitish dots ; opercidum with a dark-bro-mi 

 spot superiorly. The dorsal fin is brownish-violet, with a golden 

 intramarginal hue, to the tenth spine, orange- coloured behind it ; 

 anal yellow, with a broad violet margin anteriorly; the other fins 

 yellowish. {BJ.) 



Sea of Manado. 



20. Pomacentrus melanopterus. 



Bleek. Amboina, ii. p. 562. 



D. i^. A. ^. L. lat. 25. L. transv. 3/9. 



The height of the body is one-third of the total length ; prseorbital 

 not serrated. The dorsal spines become gradually longer posteriorly ; 

 caudal fin emarginate, with the upper lobe rather pointed. Greenish, 

 fins blackish; base of the pectoral blackish. Brownish (in spirits), 

 each scale with a shining transverse spot. 



East Indian Archipelago, entering rivers. 



a. Adult. From Dr. P. v. Bleeker's Collection. 



I 



21. Pomacentrus obtusirostris. 



D. i^. A. :^. L. lat. 30. L. transv. '^. 



The height of the body is two-sevenths of the total length ; snout 

 obtuse, much shorter than the diameter of the orbit, the width of 

 which is more than that of the interorbitai space. There are only 

 six small incisors anteriorly in the upper jaw, and eight in the lower, 



