28 sauAMipnfNEs. 



of the eye ; prseoperciilum slightly denticulated ; dorsal and anal fins 

 rounded posteriorly. The extremity of the dnout is black ; the 

 ocular band broader than the eye ; a large black spot across the 

 neck. Sides with slightly oblique violet cross-streaks ; back with 

 a broad oblique band from the end of the spinous dorsal to the tail. 

 The soft dorsal with three curved longitudinal bands, the middle of 

 which is reddish-violet ; the upper and lower are black, and descend 

 on the tail and the anal fin. Caudal with a browB cross-b^nd ante- 

 riorly to the margin. (Bl.) 

 Sea of Temate. 



46. ChsBtodon mesolencus. 



Chsetodon mesoleucus, Forshal, p. 61 ; L. Gm. p. 1266 (not Block) ; 



Cnv. (§• Vol. vii. p. 56. 

 hadjan, Bl. Scfin. p. 227. 



I^-» ^-W I'-lat.27. L. transv. 7/13. 



TJie snout is very produced, conical, and much longer than the 

 diameter of the eye : praeoperculum very indistinctly denticulated ; 

 the dorsal and anal fins angular posteriorly. The ocular band is 

 narrower than the eye, and, below the eye, not continued to the prae- 

 opercular margin. The anterior portion of the body to the fifth 

 dorsal spine, with the ventral fins, milk- white ; the posterior with 

 fine vertical black streaks, following the series of scales, and occupying 

 their anterior margin. The soft dorsal and anal brownish ; the 

 caudal whitish, with a brown crescent. 



Ked Sea. 



a. Fine specimen^ 



6. Adult : stuffed. Ked Sea. From Dr. Riippell's Collection. 



• Caudal with a fine black cross-streak. 



47. Chstodon dorsalis. 



CiiJEtodon dorsalis, (Reinw.) Cuv. %■ Vul. vii. p. 70 ; Riipp. Atl. Fische, 

 p. 41. t, 9. f. 2, and N. W. Fische, p. 28 ; Sleeker, Ba7ula, i. p. 240. 



marginatus, (Fhrenb.) Ckiv. Sr Val. vii. p. 57. 



abhortani, Cuv. 8f Vol. vii. p. 58. 



D. 1| A. ^. L. lat. 37. L. transv. 6/16. 



The snout is very slightly produced, and nearly equal to the dia- 

 meter of the eye ; praeoperculum indistinctly denticulated ; the soft 

 dorsal and anal rounded posteriorly. The black ocular band is much 

 narrower than the eye, and extends over the interoperculum ; its 

 continuation on the chest is indicated by a black spot. The upper 

 parts of the body Brownish-black, the lower with oblique blackish 

 streaks, following the series of the scales ; a black spot on the back of 

 the tail, another on its lower side, and a third at the anterior part of 

 the base of the soft anal. The soft dorsal and anal and the caudal 



