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HYALOPHORA CECROPIA.
PLATE XI.
We have given figures of H. cecropia in all its stages, as a very characteristic example of the conspicuous genus to which it belongs; and they will afford, in connexion with similar details of several nearly related species, a very accurate notion of the metamorphoses of the Saturniæ. It is one of the larger kinds, measuring upwards of half a foot between the tips of the wings. Antennæ broadly pectinated, black; head small and red, the neck white; thorax clothed with reddish-brown hairs of considerable length; abdomen with alternate bands of white and orange-brown, the latter edged behind with black. The ground colour of the wings is dark reddish brown; the anterior pair with the base orange-brown, that colour bounded exteriorly by a narrow whitish band suddenly bent towards the anterior margin, but becoming obsolete before reaching it; disk rusty brown, with a large white kidney-shaped spot, margined with black and tinged with reddish-brown; beyond this there is a broad transverse reddish orange band; the extre-
