4. HOLACANTUVS. 49 



17. Holacauthus sexstriatus. 



Holacaiithus sexstriatus, {Kuhl iS" v. Hass.) Cuv. S)- Veil \ ii. p. 194 ; 



Bleek. Verhand. Batav. Genootsch. xxiii. Chcetod. p. 25. 

 Chsetodon vorticosus, Gronov. Syst. ed. Gray, p. 74. 



D. Jti^. A. ^. L. lat. 48. L. transv. 7/25. 



The praeoperf'iilar spine ls smooth, and reaches to the base of the 

 pectoral ; the dorsal and anal fins are not produced. Head and ven- 

 tral fins brown, the former with a white vertical band, descending 

 from the nape of the neck, between the eye and the prseopercular 

 margin, to the spine. Bodj- vnih. six brown vertical bands ; each scale 

 of the body Avith the centre darker. 



Molucca Sea. 



«, h. Adult. From the Haslar Collection. 



c. Adult : stuffed. Old Collection. 



(/. Adult: skin. From Gronov's Collection. % 



18. Holacanthus navarchus. 



Renard, i. pi. 16. f. 92, ii. pi. 4. f. 17 ; Valent. iii. p. 364. no. 58, p. 367. 



no. 64 ; Ruysch, Thmtr. Anim. i. Pkc.Amb. pp. 29, 30. 1. 15. f. 10, 11. 

 Holacanthus navarchus, Cuv. 4" ^d- vii. p. 171 ; Bleek. Banda, iii. 



p. 100. , 



d'||. A.^. L. lut. 50. L. transv. 6/23. 



The 2)r8eopercular spine is grooved, and reaches beyond the vertical 

 from the posterior margin of the operculum ; the dorsal and anal 

 fins are rounded posteriorly. A bluish streak from the forehead, 

 below the eye and the root of the pectoral, to the belly, another from 

 the fifth dorsal spine to behind the pectoral ; the space between these 

 two streaks bluish-black ; the tail, between the posterior half of the 

 .soft dorsal and between the anal, and the latter fin black, dotted and 

 margined with blue ; the remainder of the body yellow, each scale 

 with a black spot in the centre ; pectoral and ventral black ; dorsal 

 and caudal yellow, edged with black. 



Seas of Amboyna and Banda. 



a, b. Fine specimens. Amboyna. Purchased of Mr. Frank. 



D. Body uniform or bicoloured, or merely spotted. 

 19. Holacanthus tricolor. 



Edwards, pi. 283. f. 4 ; Diihamd, Peches, ii. sect. 4. pi. 13. f. 1 ; Parra, 



pi. 7. f. 2. 

 Chfetodon tricolor, Bloc/i, taf. 425 ; Bl. Schn. p. 219. 

 Holacanthus tricolor, Lacep. iv. pp. 525, 530 ; Ckv. ^- Val. vii. p. 162 ; 



t'in\ Regne Anim. III. Poiss. pi. 41. f. 3. 



D. ^. A. ^. L. lat. 48. L. transv. 8/25. C^c. pylor. 23. 

 Vert. 24. 

 The priBopereular spine is grooved, and reaches to the vertical 



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