In Miskin’s Catalogue 110 species were given under 18 genera; in Waterhouse’s list 114 species are recorded, divided into 31 genera. Waterhouse has monographed this family, where descriptions of all the known Australian species will be found (Pro. Linn. Soc. N.S.W. 1902–1903). A number are rare and restricted in their range, and many are confined to the rich tropical scrubs of North Queensland. The Genus _Danis_ contains six species, most of which are confined to North Queensland; _Danis taygetus_ is a very distinctive little butterfly, common in the Queensland scrubs, and extending as far south as the Richmond River, N.S.W. The male has the fore wings pale violet blue, with the centre of the hind ones white, the edges of both pairs black; in the female both pairs are marked with white with a faint shade of blue; on the under surface the centres of the wings are white edged with black, with a broad band of bright metallic blue occupying the lower half of the hind pair encircling a row of black spots. The Genus _Miletus_ contains fifteen species: _M. delicia_ has the upper surface brownish black, with the base of the fore and centre of hind wings pale metallic blue; the under side is dull yellowish brown, variegated with angulated blotches or spots forming bands round the wings and a parallel stripe across the front of the fore pair. This butterfly ranges from Victoria to Queensland. _M. ignita_ has a very wide range over the southern parts of Australia into Queensland; it was figured and described by Leach in 1817. _Candalides absimilis_ is a medium sized insect; the male has the upper surface dull blue with the edges fringed with white; the female is dark brown with an oval patch of white in the centre of both wings and metallic tints round the body; the under surface is pale bluish white marked with fine wavy lines round the wings. It is found from Victoria well into Northern Queensland. _Polyommatus boeticus_ has had many names, for not only has it a very wide distribution over Australia, but it extends over Asia, Africa, and Europe. It is of a uniform brown tint; has the centre of both wings shaded with pale metallic blue; the hind one terminates in a fine slender tail, with two eye spots at the base; the under side is creamy white with slate grey lines and eye spots touched with blue. [Illustration: Plate XX.--LEPIDOPTERA. Family PIERIDAE. 1. _Terias hecabe_ (Fabr.). Family PAPILIONIDAE. 2. _Papilio sthenelus_ (Macl.). Family NYMPHALIDAE. 3. _Junonia albi-cincta_ (Butler). 5. _Pyrameis itea_ (Fabr.). 6. _Pyrameis cardui_ (Linn.). 7. _Danais petilia_ (Stoll.). Family HESPERIDAE. 4. _Trepezites symmomous_ (Hubn.). Family LYCAENIDAE. 8. _Chrysophanus aenea_ (Miskin).] [Illustration: _Plate XX.--LEPIDOPTERA._]