60. DTTLES. 267 



the total. Cauclalis truncated. Operculum with three spines. 

 Yellowish grey, with two or three darker cross-bands. 



This fish much resembles the genus Centrojyristis. 



Coast of Brazil (and of North America ?). 



a. Adult. Bahia. Purchased of M. Parzudaki. 



No elongate dorsal spine. Caudalis truncated. Operculum with 

 three spines. Brownish, with a large yellow space on the belly, and 

 with two round black spots on each side, at the base of the caudal 

 fin. (Cuv.) 



Coast of Brazil. 



I suppose that this species belongs to Centropristis. 



3. Dules caudavittatus. 



Holocentnia caudavittatus, Lacep. iv. pp. 332, 367. 

 Dides caudavittatus, Cuv. ^ Val. iii. p. 117, vii. p. 475; Regno Anim. 

 in. Poiss. pi. 11. f. 2. 



D. 1^. A. ^. L. lat. 50. L. transv. 19. 



In habit very similar to D. tmimrus. Caudal fin with two black 

 cross-bands, the posterior of which forms a black edge ; the soft 

 dorsal fin without black. (Cuv. 4" Val.) 



Isle de France. 



4. Dules taeniurus. 

 Cuv. Sf Val. iii. p. 114; Bleeker, Perc. p. 49. 



D. H. A. l^. L. lat. 50-55. L. transv. 6/12. 



The height of the body is 3f in the total length, the length of the 

 head 4-^ ; the diameter of the eye is one-third of the latter. Oper- 

 culum mth two spines. Caudalis deeply notched ; the fourth and 

 fifth dorsal spines longest, the tenth shorter than the following ray ; 

 the spinous and the soft portion of the dorsal nearly equal in height 

 and in length ; the second anal spine stronger, but shorter than the 

 third. Above steel-blue ; each lobe of the caudal brown, with an 

 oblique white band; both bands convergent posteriorly; the soft 

 dorsal anteriorly and above with a brownish margin. 



Chinese and Javanese Seas. 



Bleeker (I. c.) mentions only forty scales in a longitudinal line, as 

 is the case in D. marginatus. 



a. Fine specimen. Chinese Sea. Presented by Capt. Sir E. Belcher, 

 h. Adult. Cliincse Sea. Presented by Capt. Sir E. Belcher. 

 c. Adult. Chinese Sea. . Presented by Capt. Sir E. Belcher. 



