I 



()0. DULKS. 2G7 



the total. Caudiilis triiiiratcd. Operculum ^itli three spines. 

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



This tish much resembles the genus Centroprlstis. 



Coast of Brazil (and of North America ?). 



«. Adult. Bahia,. Purchased of M. Parzudaki, 



2. Dules flaviventris. 



Cm: Sc Val. iii. p. 11:3. 



D.L^. A.f 



No elongate dorsal spine. Caudalis tnmcatcd. Operculum with 

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

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

 tin. {Cuv.) 



Coast of Brazil. 



I suppose that this species belongs to Centrojiristis. 



3. Dules caudavittatus. 



Iloloccntrus cauda-s-ittatus, Lacep. iv. pp. 332, 367. 

 Dules caudavittatus, Cm: ^- Vol. iii. p. 117, vii. p. 475; Riyne Aidm. 

 III. Poiss. pi. 11. f. 2. 



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



In habit very similar to D. tamiurits. 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. 

 Cm: ^- Val. iii. p. 114 ; Bleeker, Perc. p. 49. 



D. i^. A. :^. L. lat. 50-55. L. transv. 6/12. 



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

 head 41 ; the diameter of the eye is one-third of the latter. Oper- 

 culum -with two spines, Caudalis deeply notched ; the foiirth and 

 fifth dorsal spines longest, the tenth shorter than the folloAnng 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. Al)ovc steel-blue ; each lobe of the caudal brown, with an 

 obUquc white band ; both bands convergent posteriorly ; the soft 

 doi-sal anteriorly and above wath a brownish margin. 



Chinese and Javanese Seas. 



Bleeker (?. <■.) mentions only forty scales in a longitudinal lino, as 

 is the case in D. manjinatus. 



n. Fine specimen. Chinese Sea. Presented by Capt. Sir E. Belcher. 



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



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



