41 STUDIE8 IN AUSTRALIAN NEUROPTERA. No. ii. Descriptions of new Genera and .Species of the Families Osmylid.h, MvmtELEONTiD.i-:, and Ascalapiiida:. By R. J. TiLLYARD, M.A., B.Sc, F.L.S., F.E.S., Linnean Macleay Fellow of the Society in Zoolooy. (Plates i.-vi., and three Text-figs.) The material on which this paper is based is mainly drawn from my own collection, but has been gathered together by the kindness and energy of many correspondents rather than by myself. These larger Neuroptera are not generally to be taken in ".ny numbers, as are the Odonata; and the gathering together of the material necessary for their study must be spread over a large number of years and carried on by a number of collectors. Particularly must this be so when, as in the case of the Myrrae-leontidoi, the majority of species are not to be found in the well-watered coastal regions, but are confined to the more arid regions of the interior. Thus it would seem that Broken Hill, N.S.W., with a rainfall of less than ten inches, is particularly rich in these insects, and the largest number of new species must be credited to the energy of Mr. O. B. Lower, F.E.S., my valued correspondent in this locality. Almost equally rich is the dry, sandy region of Western Australia, and even the coastal portion of that State po.ssesses a large number of fine species. From Mr. W. B. Alexander, F.E.S., Keeper of Biology in the W.A. Museum, Perth, I have received, for study, a small collection of Neuroptera containing some fine species; the types of the new-species of this collection are in the West Australian Museum, and the descriptions are included in this paper. Other small collections of Neuroptera have been sent to me by Mr. G. F. Berthoud, of Waroona, W.A., Mr. G. A. Waterhouse, B.E , B.Sc,
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