333 



BIMACULATED CHLETODON. 



Chaetodon Bimaculatus. C. albidus, corpore sub rotundo- ovat o, 



capite elongate, fascia transversa nigra, pinna dorsali macula 



nigra alteraque dimidiata. 

 Whitish Chaetodon, with roundish-ovate body, elongated head 



crossed by a black bar, and dorsal fin marked by a black 



spot and a second dimidiated one. 

 Chaetodon bimaculatus. Block, t. 2ip./. 1. 



Shape of the body roundish-ovate, but the head 

 considerably lengthened, so as to form a kind of 

 snout in front : colour white, with a slight cast of 

 brown on the upper part and fins : scales very large : 

 head marked on each side by a blaGk or deep-brown 

 stripe, beginning at the origin of the dorsal fin, and 

 passing through the eyes downwards, under the 

 throat : pectoral and ventral fins pale red : dorsal 

 marked at the base of the hind-part, by a large, 

 round black spot, bordered with white, and at its 

 extreme edge by a much smaller half-spot of similar 

 colours ; native of the seas about Japan. 



