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The structure and classification of birds . the Tracheal Pouch of the Emu, P. Z. S. 1867, p. 405. 2 For the lungs and air sacs of Struthione^ see ante, p.
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Négatif - Emu Plains District, New South Wales, 1878, le viaduc sur sac à dos sur le Gully 'Zig Zag Railway Photo Stock - Alamy
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