22(5 .SCT,ER()DERMI. 



Tail witli three and a half series of recurved spines. Abont twenty- 

 eight scales in a transverse series running from the origin of the dorsal 

 fin to the vent. Some enlarged osseous scutes behind the gill-opening. 

 Dorsal and anal fins rather low, with rounded profile ; caudal fin 

 slightly convex. ^ entral spine moveable. Light brownish olive ; 

 a black band between the eyes, continued towards the vent, becoming 

 broader below, where it extends from the fourteenth anal ray to the 

 front of the vent. A black cuneiform spot on each side of the tail, 

 pointed in front. A black longitudinal lino rnns fi'om the post- 

 branchial region towards the end of the soft dorsal. A black vertical 

 line from the front of the eye. 



Indian Ocean and archipelago ; Polynesia. 



a. Adult: skin. Zanzibar. From Lieut.-Col. Playfair's Collection. 

 h. Adult. East-Indian archipelago. From Dr. Bleeker's Collection. 

 c, d. Adult (7 inches long). 

 c. Adult : stuffed. 



22. Balistes cinereus. 



Raliste co\\^x&,Lacfp. i. pp. 3."A ?,SA, pi. 17. fig. 2. 



Balistes cinereus, Bonnaf. Encycl. Iclith. p. 2U : IlnUard, Aim. Sc. 



Nat. i. 1854, p. 33G. 

 arcuatus, Bl. Schn. p. 466. 



D. 3 1 25. A. 22. L. lat. 48. 



Tail with two series of recurved spines. About thirty -two scales 

 in a transverse series, running from the origin of the dorsal fin to the 

 vent. Some enlarged osseous scales behind the gill-opening. Dorsal 

 and anal tins rather low, with rounded profiles ; caudal fir, slightly 

 convex. Light brownish ; a vertical black band from the eye to the 

 pectoral fin ; three narrow black lines between the eyes ; the first 

 dorsal fin, the base of the second, and the vent black ; a broad black 

 ring with bluish edges round the free portion of the tail ; a curved 

 bluish band, Avith dark central line and with the convexity directed 

 forwards, at some distance in front of the black ring. 



Mauritius. 



a. Fine specimen. 



23. Balistes undulatus, 



Valmt. figs. 78 & 343; Renard, i. tab. 43. f. 217, ii. tab. 2. f. 7, 



tab. 25. fig. 123 ; Riiysch, pi. 7. f. 4. 

 Balistes undulatus, Mungo Park, Trans. Liim. Soc. iii. p. 37 ; Lacep. ■ 



iv. p. 082. 

 lineatus, BI. Schn. p. 406, tab. 87 ; Black. Vcrh. Bat. Gen. xxiv. 



BaUst. p. 14 ; HoUard, Ann. Sc. Nat. i. 1854, p. 337. 



aculeatus /3. viridis, Benn. Fish. Ceylon, pi. 10. 



capistratus. Tiles. Mem. Ac. Sc. St. Betersb. vii. p. 301, pi. 9. 



lamourouxii. Quo)/ ^- Gaim. Vmj. Uran. Zool. p. 208, pi. 47. fig. 1. 



sesquilineatus, i^e?j». inBeccherj, Voy, p. 09, pi. 21. fig. 3. 



porcatus, Gronov. Syst. ed. Gray, p. 32. 



(Balistapus) liueatus, Bleek. Ned. Ti/ds. Dicrk. iii. 1865, p. 24; 



Atl. Ichth. V. p. 118, pi. 229. fig. 2; Kn'er, Novara, Fisch. p. 400. 



D. 3 ! 27. A. 24. L. lat. 41. 



