1. CHiETOBON. 7 



6. Chsetodon auriga. 



Chsetodon auriga, Forsh. p. 60 ; Bl. Schn. p. 226; Cuv. 8f Val. vii. p. 79. 

 Chaitodon auriga, pai't., Riipp. N. W. Fische, p. 28. 



D. g. A. y^. L. lat. 33. L. transv. 6/13. 



Snout produced, pointed, conical, one-half longer than the diameter 

 of the eye ; prseoperculum very indistinctly serrated ; the fifth dor- 

 sal ray more or less elongate, filiform. The ocular band extends 

 over the interoperculum, is narrower above the orbit and wider 

 below. The anterior part of the back "with blackish streaks obliquely 

 descending forwards, the remainder of the body with streaks obliquely 

 ascending forwards ; an oblique cuneiform blackish band from the 

 origin of the soft dorsal to the posterior part of the anal. Dorsal 

 edged with black ; caudal and anal fins with a very fine blackish 

 marginal Une , ventrals whitish. 



Ked Sea. 



a. Adult : stuffed. Red Sea. 

 6. Adult. 



7. Chsetodon ephippium. 



Chfetodon ephippium, Cm\ 8f Val. vii. p. 80. pi. 174 ; Less. Voy. Cuq. 



Zool. ii. p 174, Poiss. pi. 29. f. 1 ; Bkek. Amboina, iv. p. 836, and 



Floris, p. 325. 

 gamotii. Less. I. c. 



D. i?. A. ^. L. lat. 36. L. transv. 6/12. 



The snout is conically prominent, one-half longer than the dia- 

 meter of the eye ; prseoperculum slightly denticulated ; the fifth raj 

 of the dorsal fin elongate, filiform. The ocular band rudimentary ; 

 a very large subovate black patch, edged with white, occupies the 

 greater part of the dorsal and the posterior portion of the back ; 

 caudal greyish, with the upper and lower margins white. 



Molucca Sea ; Polynesia. 



a. Fine specimen. Amboyna. Purchased of Mr. Frank. 

 6. Adult. Feejee Islands. Voyage of the Herald. 



8. Chsetodon semeion. 



Bleekei-, Kokos, iv. p. 450. 



D.ll. A.^. L. lat. 35. 



The snout is pointed ; the prseoperculum scarcely denticulated ; the 

 dorsal and anal roimded posteriorly ; the anterior three dorsal rays 

 are produced, forming together a band which reaches to the caudal ; 

 caudal concave, the external rays being produced. The ocular band 

 is broader than the orbit. Yellow, each scale with a ^dolet centre. 

 Dorsal fin mth a broad black longitudinal band ; the scaly sheath 

 of the spinous dorsal with a blue and black margin, continued on the 

 soft portion of the fin ; one-third of the soft dorsal and anal is scale- 

 less, and longitudinally coloured with yellow, rosy, brown and orange. 



