Crown of the head and back of the neck, chest and all the under surface scarlet; cheeks and thighs yellow; feathers of the back black, bordered with green, yellow, and in some instances scarlet; rump and upper tail-coverts yellowish green; shoulders and outer edges of the primaries blue, the inner webs and tips of the latter blackish brown; two middle tail-feathers green; the remaining feathers light blue tipped with white, with the basal portion of a darker blue tinged with green; bill light horn-colour; feet and legs dull ashy brown; irides blackish brown. The young birds of both sexes are nearly of a uniform green, becoming parti-coloured as they advance in age; the scarlet of the crown and abdomen, and the yellow of the cheeks gradually taking the place of the green colouring of youth. It is questionable whether the female, like the female of _P. eximius_, ever attains the fine plumage of the male. The Plate represents the two sexes of the natural size. [Illustration: PLATYCERCUS IGNITUS: _Leadb._ _J. Gould and H.C. Richter del et lith._ _Hullmandel & Walton Imp._ ] PLATYCERCUS IGNITUS, _Leadb._ Fiery Parrakeet. _Platycercus ignitus_, Leadb. in Proc. of Zool. Soc., Part V. p. 8. In the year 1837 Mr. John Leadbeater received from the district of Moreton Bay a beautiful Parrakeet, of which the accompanying Plate is a representation. This specimen, the only one I have seen, is the most singular and anomalous bird that has ever come under my notice; for while on the one hand it exhibits many features which would lead one to believe it to be merely a diseased variety of some other species, on the other there is sufficient decision in some of its markings to warrant the opinion that it is distinct; I allude particularly to the decided mark of white at the base of the primaries and secondaries, and to the white mark on the under-coverts of the wing: it is true that in the youthful state of most of the other _Platycerci_ the same parts have a faint mark of white, but it is thrown off as the bird approaches maturity, and is never so distinct as in the specimen here figured. As I have mentioned above, only one specimen has yet been seen; future research will doubtless lead to the discovery of others, until when its specific value must remain a matter of uncertainty. It is most nearly allied to the _Platycerci eximius_ and _splendidus_. The example from which my figures were taken adorns the Museum of the Zoological Society of London, to which it was presented by Mr. John Leadbeater.