850 LIEUT. -COL. PLAYFAIR ON [NoV. 14, 



Colour. — Bright red ; dorsal, caudal, and anal with very narrow 

 black margins ; ventrals stained with blackish. 

 Length 18 inches. Creole name " Bourgeois." 

 Hab. Seychelles ; Red Sea. 



34. Priacanthus speculum. 



Priacanthus speculum, Cuv. & Val. vii. p. 471 ; Regne Anim. 111. 

 Poiss. pi. 11. f. 1 ; Giinth. Fish. i. p. 221. 



D. i|. A.;^. L. lat. 84. 



Diagnosis. — Caudal crescent-shaped, the exterior rays being some- 

 what produced. The height of the body is contained thrice and 

 fourth-fifths, and the length of the head rather more than four times 

 in the total length. The diameter of the eye is equal to the length 

 of the snout, and is contained twice and two-thirds in the length of 

 the head. Prseoperculum finely denticulated, with a small serrated 

 spine at the angle. Operculum, sub- and interoperculum entire ; 

 the first with two small spines. The posterior opening of the nostril 

 is a long narrow slit, four times as long as broad. Dorsal spines 

 increasing in length posteriorly, the last being twice the height of 

 the second ; the fifth ray is longest. The first three spines and all 

 the rays have a rough surface. The middle rays of the anal are 

 nearly half as long as the body is high ; both spines and rays are 

 striated. Ventrals elongated, reaching to the third anal spine. 



Colour. — Red ; all the fins except the pectorals have blackish 

 edges. 



Length 1 1 inches. Creole name " Miroir." 



35. Priacanthus fax, C.'& V. 



36. Ambassis commersonii, Forsk. 



37. A. uROT^NiA, Blkr. 



38. A. DUSSUMIERI, C. & V. 



39. Apogon hyalosoma, Blkr. 



40. A. FASCIATUS, White. 



41. A. cyanosoma, Blkr. 



42. dules fuscus, c. & v. 



Pristipomatid^. 



43. Therapon servus, Forsk. 



44. Pristipoma leucurum, C. & V. 



45. DiAGRAMMA AFFINE, Gtlir. 



46. D. GRISEUM, C. & V. 



Several specimens of this fish were caught in a mountain-torrent 



