8 TELEOSTEI. ACANTHOPTERYGJI. 



Preopercle entire. Fins the dorsal spines strong, increasing in 

 length to about the seventh from which they slightly decrease, the 

 soft portion of the fin, that of the anal, and the caudal rounded. 

 Colour yellowish, with a narrow or moderately wide brownish- 

 black ocular baud from in front of the dorsal fin through the 

 middle of the eye to the angle of the preopercle and on to the 

 chest ; a black blotch on the side above the lateral line below the 

 last four spines and first two rays ; posterior edge of soft dorsal 

 with a narrow black band which is continued over the free portion 

 of the tail on to the hind edge of the anal rays. 



Hal. Ceylon to the Malay Archipelago; attaining at least 5 

 inches in length. 



735. (11.) Chaetodon collaris. 



Chsetodon collaris, Slock, Ich. t. 216, fig. 1 ; Day, Fish. India, p. 107, 

 pi. xxvii, fig. 6 (see synon.). 



D. 12/26-27. A. 3/20-22. L. r. 43-46/34-36. L. tr. 7/15. 



Length of head 3|, height of body 1| (in young) to 1^ (in 

 adult) in the total length. Eyes diameter 3 in length of head, 

 1 diam. from end of snout, and |- apart. A few fine serrations 

 at angle of preopercle. Fins fifth and sixth dorsal spines the 

 longest ; second anal spine the strongest and longer than the, third ; 

 caudal cut nearly square. Colour brownish olive, middle of each 

 scale light citron. A bluish-white band from before dorsal fin over 

 the opercles to the throat, where it expands ; a second across the 

 forehead, uniting the eyes ; a third across the snout and over the 

 cheek to the chin ; opposite the orbit this gives off a hinder branch 

 to angle of mouth and throat. Dorsal and anal tinged with reddish 

 violet, upper fourth of soft dorsal margined with six coloured bands 

 in the following order from without white, black, scarlet, black, 

 pearl-white, and black ; anal with three bands white, black, and 

 scarlet. Posterior half of caudal pearly white, divided by a black 

 band from a scarlet base. Ventrals black. 



Hob. Seas of India to the Malay Archipelago. 



736. (12.) Chaetodon fasciatus. 

 Chsetodon fasciatus, Forsk. Desa: Anim. p. 59, no. 80. 

 Chaetodon lunula, C'uv. $ Val H. N. Poiss. vii, p. 59, pi. 173 ; Day 



Fish. India, pp. 108, Suppl. p. 780 (see synon.). 



D. 12/23-26. P. 19. A. 3/18-20. C. 17. L.r. 54/40. L.tr.7/14. 

 Length of head 2f to 3|, height of body 1| in the total length. 

 Eyes diameter 3| in length of head, 1^ diam. from end of snout \ 

 and 1 apart, Preopercle serrated. Fins soft dorsal and anal 

 rounded, caudal slightly rounded. Lateral line ceases below last 

 third of soft dorsal. CWow ocular band deep chestnut with white 

 edges, rather wider than orbit; a second brown band from first 

 5 dorsal spines unites with occipital one ; a third band from 5th 

 and 6th dorsal spines gradually widens and goes as low as base of 



