. The structure and classification of birds . Fia. 66.—Atlas ofEmu (aftek Mivabt). ac, articular surface;V, vertebrarterialcanal; hp, Fio. 67.—Axis of Emu (aftkkMivakt). 0, odontoid process ; nsy neural spine ;az, anterior zygapoptiyses; pi,pleural lamella; pc, articular sur-face ; hif, hypapophysis ; hp, hyper-apophysis.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898