SQUAMIPINNES. 1 5 



B. Scales of moderate size. L. 1. about 50. 

 Eight to twelve vertical blue brown-edged 



bands 4. H. diacanthus, p. 17. 



Greyish on sides ; a yellow shoulder-spot . . 5. H. .ranthurus, p. 17. 

 Blue, with yellow black-edged spots on the 



cheeks " 6. H. xanthometopon, 



[p. 18. 



744. (1.) Holacanthus imperator. (Fig. 5.) 



Chsetoclon imperator, Btoch, Ich, iii, p. 51, t. 194. 



Holacanthus imperatgr, Day, Fish. India, p. 112, pi. xxviii,fig. 5 (see 



synon.). 



KulloG-koli-meen, Tamil ; Nya-tyk-pya, Arracan ; Dood-ka-mal, Chitta- 

 gong. 



D. 14/21-22. P. 21. V. 1/5. A. 3/20-21. C. 17. 



Length of head 4 to 4^, height of body If to 2 in the total 

 length. Eyes diameter 3 to 4 in length of head, 1| to 1| diam. 

 from end of snout, and 1 apart. Angle of preopercle with 



Fig. 5. Holacanthus imperator. 



a strong, smooth, curved spine, lj diam. of orbit in length. Fins 

 dorsal spines gradually increasing in length, soft portions of dorsal 

 and anal rounded ; anal spines strong, third the longest and equal 

 to last dorsal ; caudal rounded. Scales small, covering the vertical 

 fins. Colour body blue, with a greenish tinge along the back ; 

 about ninetean canary-coloured lines pass upwards to the dorsal, or 

 horizontally to the caudal and anal. A large black descending 

 band with a blue anterior edge on the shoulder ; chest chestnut. 

 A light blue stripe across the snout, round the cheeks, and to the 

 preopercular spine, which is nearly black. A brown band edged 

 above with blue crosses the eye and passes on to the preopercle. 

 Opercle yellow, edged with blue ; branchiostegals black. A narrow 



