41. PRIACANTHUS. 221 



13. Priacanthus dubius. 



Tvmm. ^ Schhy. Faun. Japan. Poiss. p. 19. 



Caudalis forked. The height of the body is more than one-third 

 of the total length. Angle of the prgeoperculum obtuse, and \\ith a 

 short, flat, serrated spine. Ventral fins elongate, extending to the 

 third anal spine ; fins immaculate ; the dorsal and anal with a blackish 

 margin ; the ventrals blackish, with a black spot at the base. (Schleg.) 



Japanese Sea. 



14. Priacanthus tayenus. 



Priacanthus tayenus, Ricliards. Ichth. of the Seas of China, p. 237. 

 D.^- A. ^3. KlatTS. ■ 



Caudalis forked, with lengthened tips. The height of the body- 

 is one-fourth of the total length ; the diameter of the eye nearly 

 one-half of the length of the head, or twice as large as its distance 

 from the end of the snout. The spine of the prseoperculum long and 

 serrated. All the dorsal and anal spines are feeble and slender ; the 

 second of the dorsal fin is two-thii-ds of the last, which is the longest ; 

 the ventral fins reach only to the anus. Rose-coloured ; the ventrals 

 with the connecting membrane brown-spotted. 



Chinese Sea. 



a. Adult. Canton. Presented by J. R. Reeves, Esq. 



15. Priacanthus speculum. 



Cuv. ^ Val. vii. p. 471 ; R^gne Anim. III. Poiss. pi. 11. f. 1. 



Caudalis forked. The height of the body is equal to the length 

 of the head, and one-fourth of the total ; the diameter of the eye is 

 2f in the length of the head, and equal to its distance from the end 

 of the snout. Praeoi^erculum with a verj' obsolete spine ; the length 

 of the anal fin is one-half of the height of the body. Red : anal 

 edged ^vith blackish ; ventrals violet. (Val.) 



Seychelles. 



