1. ACANTHURUS. 333 



* Sotne blue or red dots anteriorly. 



10. Acanthurus rubropunctatus. 

 Rlipp. All. Fische, p. 59. 



The height of the body is more than one-half of the length (the 

 caudal fin not included) ; anterior profile of the snout subvertical, 

 slightly concave. Blackish-brown ; head and thorax dotted with 

 red. {Riipp.) 



Northern parts of the Red Sea. 



11. Acanthurus marginatns. 



Acanthurus guttatus, Kittl. in 3fus. Senck. i. p. 194. taf. 13. fig. 4: (not 



Bl. Schn.). 

 marginatus, Cuv. ^- Val. i. p. 221. 



T) ^ A i.. 



^- 26- ^- 23 



The height of the body is one-half of the length (the caudal fin 

 not included). The snout is somewhat produced, Avdth the upper 

 profile concave. Reddish-brown : head and anterior half of the 

 body with scattered ^^ine dots ; vertical fins blackish, dorsal and anal 

 fins blue-edged. 



Island of Luganor. 



D. Body with bluish lonyitudinul bands or lines, or with dots disposed in 

 longitudinal series, 



12. Acanthurus lineatus. 



Valent. iii. p. 360. fig. 47, p. 424. fig. 257; Renard, i. 7. 54, i. 13. 80 ; 



Seba, iii. 25. 1 (? 20. 37). 

 Chsetodon, no. 1, Artedi, Spec. p. 80. 



lineatus, L. Syst. Nat. 13th edit. i. p. 1246. 



Acanthurus lineatus, Bl. Schn. p. 214. tab. 49; Lacep. iv. pp. 547, 549 ; 



Cuv. Sf Val. X. p. 223 ; Bleek. Sumatra, ii. p. 263. 

 vittatus, Benn. Fish. Ceyl. p. 2. pi. 2. 



D.|. A.i. Vert. 9/13. 



The height of the body is one-half of the length (the caudal fin 

 not included) ; anterior profile of the snout subvertical, slightly con- 

 vex ; upper jaw with six lobate incisors on each side. Ground- 

 colour of the back and sides yellow, of the belly whitish. Nine 

 slightly oblique blue lines run from the head to the back and the 

 root of the caudal fin ; each of them has a brown band on each 

 side, which is as broad as the stripes of the yellow ground-colour. 

 Two similar curved blue, brown-edged stripes from the eye round the 

 cheek to the base of the pectoral. Caudal brown, whitish posteriorly, 

 both colours being separated by a cm-ved blue line ; two or three 

 vertical lines at the base of the fin. 



East Indian Archipelago ; Western parts of Polynesia, 



a. Adult. Malay Archipelago. Presented by Sir J. Richardson. 



