22 G SCLEEOBERMT. 



Tail with three and a half series of recurved spines. Ahont tvrenty- 

 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 tins rather low, Avith rounded profile ; caudal tin 

 slightly convex. Ventral 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 runs from 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. 



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



c. d. Adult (7 inches long). 

 e. Adult : stuiied. 



22. Balistes cinereus. 



Baliste cendrg, Lao4p. i. pp. 336, 384, pi. 17. fig. 2. 



Balistes cinereus, Bonnat. Encijcl. Ichtli. p. 20 ; HoUard, Ann. Sc. 



Nat. i. 1854, p. 836. 

 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 fins rather low, with rounded profiles ; caudal fin slightly 

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

 j^ectoral 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, -n-ith dark central line and with the convexity directed 

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



Mauritius. 



('. Fine specimen. 



23. Balistes undulatus. 



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



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

 Balistes undidatus, Munrjo Park, Trans. Linn. Soc. iii. p. 37; Lacep. 



iv. p. 682. 

 lineatus, Bl. Schn. p. 466, tab. 87 ; Bleek. Verh. Bat. Gen. xxiv. 



Balist. p. 14 ; Ilollard, Ann. Sc. Nat. i. 1854, p. 337. 



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



capistratus, Tiles. Mhn. Ac. Sc. St. Petersh. vii. p. 301, pi. 9. 



lamourouxii, Quoy 8f Gaim. Voy. TJran. Zool. p. 208, pi. 4/ . fig. 1. 



sesquilineatus, Benn. in Beechey, Voy, p. 69, pi. 21. fig. 3. 



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



(Balistapus) lineatus, Bleek. Ned. Tyds. Dierk. iii. 1865, p. 24 ; 



Atl. Ichth. V. p. 118, pi. 229. fig. 2; Kner, Novara, Fisch. p. 400. 



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



