SQUAMIP1NNES. 11 



D. 11-12/22-25. P. 15. A. 3/18-19. C. 18. L. 1. 73-75. L. tr. 11/30. 



Length of head 3|, height of body 2| in the total length. Eyes 

 diameter 7g in length of head, 1| diam. in postorbital portion. 

 Angle and lower edge of preopercle and lower edge of preorbital 

 serrated. Fins dorsal spines strong, the 4th somewhat the longest, 

 exceeding the rays ; soft portion of fin rounded ; third anal spine 

 longest. Colour yellow, with a black triangular patch extending 

 from base of first dorsal spine to snout, and its lower edge going 

 through the eye to the opercle. Posterior edge of dorsal with a 

 black margin ; a small round black spot at posterior angle of anal ; 

 caudal grey, with a rather wide dark band over its base. 



Hob. East coast of Africa, seas of India, to the Malay Archipelago 

 and beyond. 



741. (2.) Chelmon rostratus. (Fig. 2.) 



Chaetodon rostratus, Block, Ausl. Fisch. iii. p. 87. 

 Chelmo rostratus, Day, Fish. India, p. 110, pi. xxviii, fig. 2 (see 

 synon.). 



D.9/29-31.A.3/20-21.L.1.47-50.L.r.54/47.L.tr.8/20.(Vert.lO/14.) 



Length of head nearly or quite 3, height of body about 2 in the 

 total length. Eyes diameter 5 in length of head, 2| diam. from 

 end of snout, and nearly 1 apart. Preopercle finely serrated along 

 both limbs ; lower edge of preorbital and supf aorbital margin likewise 



Fig. 2. Chelmon rostratus. 



serrated in the young. Fins soft portions of dorsal and anal 

 obtusely angular ; caudal rounded. Colour head and body with 

 five orange cross bauds edged with brown and with white outer 

 margins, the hindmost round the root of the tail ; a round black, 

 white-edged spot in the middle of the soft dorsal and within the 

 fourth cross band ; soft dorsal, caudal, and anal with blue and white 

 edges. 



