61 
AZURINE. 
blue roach. 
^‘Oiscus Ocerwhus, 
Cyprinua Cxruleua, 
Yaeeell; Trans. Linnean Soo., vol. 17 , p. 8. 
British Fishes, vol. i, p. 416. 
Jenyns; Manual, p. 413. 
rp 
so locally called, the Blue Roach, is 
Was scarce fish that it was unknown to naturalists until it 
that Mr. Yarrell; and so much concerning it as 
publish \ was able to describe was inserted in a paper 
It at) ^ Linnsean Transactions, as above referred to. 
of according to Agassiz, to be an inhabitant 
believ ^ h°^ Switzerland, and I have reason to 
Ent^r^ in ■ ^ obtained it from some other river of 
of wb^L which is mentioned by Mr. Yarrell, but 
<ioubt^^ L uote. The only foundation for 
of tbp < 1 ^ f*" wlMe the shape of the body and the situation 
of tbar same with Mr. YarreU’s figure, the rays 
vevan 7 l exactly correspond; and after a long con- 
on tC^ -a ^^® yellow 
to hav yeUow. It is deemed best therefore 
from it ^ ooloured figure of this, which was a gift 
a iif'TO-l ^ 1 ^scriber at the time -when it "was announced as 
those ®Peeies. Its habits are said to be much like 
Ijfg ^ especially it is highly retentive of 
it is resembles the Rudd; but as regards colour 
back "1 '=)' baring the upper part ot the head, the 
both' b- • ^ passing into silvery below, and 
lower* filing with a metallic lustre; whereas in the Rudd the 
part o the body is a golden yellow. In the last-named fish 
