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pretends, that that was the whole Secret of Turnheisser, the rest being nothing but illusion. For, after he had by that means sodered together a piece of Gold with halfe a Naile, he knew so well to give the color of Iron to Gold, that men believed, that the whole Naile was of Iron; and having afterwards put this Naile into the fire, and held it in the Oyle to take off that colour, he made appear that Gold, which was hid before.
IN this Discourse the Author chiefly observes the wonderfulness of the internall fabrick of this Stately Bird; and more especially of the admirable structure of its Wind-pipe; which is so framed, that together with the Oesophagus or Weasand it reaches down to the Sternum, into which, as a safe case, it winds it self, and being gone down to the bottom of that cavity is turned up again, and gets out of the streights of the Sternum, and climbing up the intermediate clavicles, on which it leans as on a base, it bends to the thorax. But before it comes to the Thorax and the Lungs, it forms a kind of Larynx with an Os Hyoides, covered with a large membrane, and resembling a musical pipe, wide above, but with a narrow slit, and streight and depressed below. Under which Larynx, before the Wind-pipe enters into the Lungs, it is divaricated into two branches, like unto bronchiæ thicker in the middle, but narrower where they are near the Lungs: In which particular it differs from the human Arteria aspera, which, 'tis true, is also divided into branches, but not before it be entred into the Lungs.
After this description of the structure of this Organ he considers the fitness of its contrivance for such a Respiration, as was requisite for an Animall, that by long diving and linking its neck to the bottom of waters was to find its food.
V. ÆGIDII
