SQUAMIPINNES. 3 



An ocellus on soft dorsal ; 5th dor- 

 sal ray produced 5. C. auriffa, p. 5. 



c'. Black stripes on sides vertical above, 



bent back below 6. C. chrysurus, p. 6. 



(I '. Sides uniform brown 7. C. Meinii, p. 0. 



e . Each scale on side with a central 



brown spot 8. C. miliaris, p. 7. 



/. Head with three dark bands, sides 



striped longitudinally 9. C, trifasdatus, p. 7. 



(f '. Ablackblotchonside,justabovel.l. 10. C. unimaculatus, p. 7. 

 h'. A white collar behind the broad 



eye-band ? 11. C. collaris, p. 8. 



'. Four dark vertical bands, the 



ocular being one 12. C.fasciatm, p. 8. 



/. A black longitudinal line on each 



row of scales, and an interrupted 



band on root of tail 13. C. melanotus, p. 9. 



k'. Six dark vertical bands on sides . . 14. C. octofasciatus, p. 9. 

 C. Anal spines 3 ; dorsal or 7, vertical 



dark bands 15. C. ocellatus, p. 10. 



725. (1.) Chaetodon plebeius. 



Chsetodon plebeius, Brouss. MS. ; Cnv. $ Vol. vii, p. 68 ; Day, Fish. 

 India, p 104, pi. xxvi, fig. 3 (see synon.). 



D. 14/13-17. P. 15. A. 3/15-16. C.17. L.I. 50. L. tr. 7/15. 



Length of head 4, height of body nearly 2 in the total length. 

 Eyes diameter 3| in length of head, 1 from end of snout. Pre- 

 opercle finely serrated. Fins dorsal spines strong, the fourth 

 slightly the longest, the soft portions of the dorsal and anal 

 rounded ; second anal spine longest and strongest ; caudal slightly 

 rounded. Colour yellow, with a black white-edged ocular band, 

 a black white-edged ocellus at base of caudal fin. 



Hal). Andaman Islands to the South Seas. 



726. (2.) Chaetodon xanthocephalus. 



Chffitodon xanthocephalus, Bennett, P. Z. S. 1832, p. 182 ; Day, 

 Fish. India, p. 104, pi. xxvi, fig. 4. 



D. 13-14/25-27. P. 15. A. 3/24. C. 17. L. r. 46/44. L. tr. 11/18. 



Length of head 4%, height of head If i.i the total length. Eyes 

 diameter 4 in length of head, 1| from end of snout and apart. 

 Preopercle indistinctly serrated. Fins soft portions of dorsal 

 and anal rounded. Colour a small dark blotch above orbit ; no 

 ocular band ; body brownish yellow, with six indistinct dark 

 vertical streaks; d-jrsal and anal fins dark violet, having white 

 edges ; caudal and ventrals yellowish. 



Ifah. C'evlon and 



