LAKE BREAM. 39 



water of which became frozen so entirely that not one of the 

 fish coukl be seen; but when the frost disai)pcared the Bream 

 again apjaeared without having suffered harm. 



Length of the example from the snout to the fork of the 

 tail sixteen inches; greatest depth, which is about the beginning 

 of the dorsal fin, seven inches and a fourth. Head small; the 

 outline rising rapidly from the nape, and beginning to slope 

 downward from the dorsal fin towards the tail; the body, 

 exclusive of the tail, approaching to an oval. Snout round, 

 under jaw slightly the shortest; no teeth, lips fleshy, slightly 

 bent up at the middle. Eyes lateral, large; nostrils open, in a 

 depression, high on the front, with a band or depression above 

 the lips from one nostril to the other. Body much compressed, 

 scales rather large; lateral line falling below the level of the 

 body. Dorsal fin elevated, behind the middle of the body, 

 ending nearly opposite the vent; anal fin from the vent near 

 to the tail, hook-shaped at the beginning. Pectoral fin rounded, 

 ventrals before the origin of the dorsal, and reaching to the 

 vent; tail forked. Colour bright yellow, darker on the back, 

 pale below. 



Fin rays — in the dorsal eleven, caudal seventeen, anal twenty- 

 nine, pectoral sixteen, ventral nine. 



