4. DALI8TES. 223 



17. Balistes flavimarginatus. 



Balistes fl.avimarginatus, liiipp. Atl. Fixcft. p. ?,^, and N. W. Fisch. 



p. 54, taf. 15. figs. 1-2 ; Bleek. Nat. Ti/ds. Ned. Ind. iii. p. .303. 



beeri, Bleek. Act. Soc. He. Indo-Nceii. v. Celebes, xiii. p. 53. 



(Pseudobalistes) flavomarginatus, Bleek. Atl. Ichth. Balist. 



p. 113, pi. 4. fig. 3, pi. 10. fig. 3. (The scales on the snout are not 



correctly drawn.) 



D. 3 I 26. A. 23-24. L. lat. 35. 



Tail with from four to six series of rather small recurved spines. 

 Frout part of the snout partly naked and partly covered with small 

 rudimentary tubercle-like scales only ; also the checks are not en- 

 tii-ely covered by the scales in adult examples. About twenty scales 

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

 vent. A few small osseous scutes behind the gill-opening. Dorsal 

 and anal fins somewhat elevated ; caudal fin rounded in very young, 

 truncate in half-grown, and deeply emarginate with produced lobes 

 in adult examples. Ventral spine short, moveable. Old examples 

 of a nearly uniform coloration ; young with black or blackish spots, 

 conned to the centre of the scales or scattered over the body. Ver- 

 tical fins with a blackish and whitish margin. 



Indian Ocean and archipelago. 



a-b. Adult and half-grown : stuffed. Red Sea. From Dr. Riippell's 



Collection. 

 c^d. Half-grown and young. AmbojTia. 

 e-f. Adult (23 inches) and young : stuffed. From the Collection of 



the Zoological Society. 



b. No groove in front of the eye. 



18. Balistes acxUeatus. 



Seha, iii. tab. 24. fig. 15 ; Valent. figs. 22 & 422 : JRenard, i. t. 28. 



f. 154, ii. t. 28. f. ISC) ; Bm/sch, t. 2. f. 2, t. 19. f. 8. 

 Balistes, sp., Gronov. Zoophyl. no. 188, or Mus. Ichth. i. p. 53. no. 117. 

 Capriscus, sp., Klein, Pise. Miss. iii. p. 25. no. 7, tab. 3. fig. 10. 

 Balistes aeuleatus, L. Syst. Nat. i. p. 406 ; Bl. ii. p. 19, tab. 149 ; 



Bl. Schn. p. 465 ; Lacep. i. p. 367, pi. 17. fig. 1 ; Beimett, in 



Beecheys Voy. Zool. p. 69, pi. 22. fig. 2; Jenyns, Zool. Beayle, Fish. 



p. 155; Bleek. Verh. Bat. Gen. xxiv. Balist. p. 15; Hollard, Ann. 



Sc. Nat. i. 1854, p. 333. 



ornatissimus. Less. Voy. Coq. Zool. Poiss. i. p. 119, pi. 10. fig. 1. 



armatus, Cttv. B. An. III. Poiss. pi. 112. fig. 2. 



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



(Balistapus) aeuleatus, Bleek.' A/l. Ichth. Balist. p. 120, pi. 2. 



fig. 3. 



D. 3 I 25. A. 22. L. lat. 40. 



Tail with two and a half series of recurved spines. Twenty-three 

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

 to the vent. A patch of enlarged osseous plates behind the gill- 

 opening. Dorsal and anal fins rather low, with rounded profile ; 

 candal fin with the margin undulated in adult and rounded in young 



