Edinburgh journal of natural history Edinburgh journal of natural history and of the physical sciences . edinburghjournal01macg Year: 1835 Psittirostra psittacea. Parroquet ParrotbilL —The bill and feet are light brown. The head and neck yellow; the upper parts olive-green, tinged with grey ; the wings and tail blackish-brown; the first row of small coverts, and the secondary coverts, tipped with whitish, the quills and tail- feathers margined with light greenish-grey. The throat is greyish-white, the sides of the neck and body light brownish-grey, the middle of the breast and abdomen y
Edinburgh journal of natural history Edinburgh journal of natural history and of the physical sciences . edinburghjournal01macg Year: 1835 Psittirostra psittacea. Parroquet ParrotbilL —The bill and feet are light brown. The head and neck yellow; the upper parts olive-green, tinged with grey ; the wings and tail blackish-brown; the first row of small coverts, and the secondary coverts, tipped with whitish, the quills and tail- feathers margined with light greenish-grey. The throat is greyish-white, the sides of the neck and body light brownish-grey, the middle of the breast and abdomen yel- low ; the lower wing-coverts and tail-coverts white. Length to end of tail 7 inches ; bill along the ridge 7^ lines, along the edge of lower mandible 7^ lines; wing from cubitus 3| inchei; tail 2^; tarsus 10^ lines; hind toe 4^ lines, its claw 6 lines; middle toe 8 lines, its claw 4 lines. Female.—The bill and feet are as in the male ; all the upper parts are olive-green tinged with grey ; the throat whitish ; the cheeks, sides of the neck and body, light grey ; the other parts as in the male. The size is somewhat smaller. M. Temminck having stated that the first quill is wanting, ]\Ir Swainson, not having a specimen, remarks that this requires explanation. The Parrotbill is not sin- gular in this respect, for all those passerine birds of which the outer quill is as long as the next or nearly so, are equally destitute of the first quill, these species having only nine primaries. I am not aware of this fact having hitherto been ob- served. GEOLOGY. Lake op Arendsee.—Near Arendsee, in the circle of Magdeburg, there is a re- markable lake of the considerable extent of about a German square mile, or about eighteen English square miles. It has been formed in a flat country, within the his- torical times, probably by the superficial strata sinking into an immense cavern exca- vated by subterraneous currents of water. According to Aimonius, this event appears to have taken p
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