DESCRIPTIONS OF NEW AUSTRALIAN RHOPALOCERA. By E. Meyrick, B.A., F.E.S. LYCAENIDAE. POLYOMMATUS, Latr. I use this name in the sense in which it is employed by Staudinger in his Catalogue, to denote the genus formerly known as Chrysophanus, distinguished from Lycaena by the smooth eyes (not hairy) ; there are several blue Australian species which have been confounded with Lycaena. Pol. uranites, n. sp. (Jo. 26-28 mm. Head orange, margins more or less grey, orbital rims white. Palpi white, towards apex dark fuscous. Antennpe black, annulated with white. Thorax and abdomen grey. Forewings with costa almost straight, hind margin in ^ almost straight, little oblique, in $ I'ounded towards anal angle ; in ^ brilliant light brassy-blue, in 2 purple-blue ; a narrow costal and broad hindmarginal dark fuscous border, latter occupying nearly half wing on costa, and gradually diminishing to anal angle ; in ^ an irregular orange-reddish streak almost along hind-margin : cilia white, barred with dark fuscous, basal third dark fuscous. Hindwings with hindmargin somewhat waved, rounded more strongly in $ ; colour and markings as in forewings, but hindmarginal border only descending to middle of hindmargin ; a