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fire tears the Rock to get forth, and so crackes and breaks it all about, that at one time a vast deal of it will either be quite blown out, or so crackt and broken, as will make it easy to be remov'd: And according to the effect of one such Cartridge, more may be afterwards made use of, as hath been said.
Observables upon a Monstrous Head.
This was the Head of a Colt, represented in the annexed Figure 4. first viewed by Mr. Boyle, who went into the Stable where the Colt lay, and got the Head hastily and rudely cut off; the Body thereof appearing to his Eye compleatly formed, without any Monstrosity to be taken notice of in it. Afterwards he caused it to be put into a Vessel, and covered with Spirit of Wine, thereby chiefly intending, to give good example, together with a proof, that by the help of the said Spirit, (which he hath recommended for such Properties in one of his Essays of the Usefulness of Natural Philosophy) the parts of Animals, and even Monsters, may in Summer it self be preserved long enough, to afford Anatomists the opportunities of examining them.
The Head being opened, and examined, it was found,
First, That it had no sign of any Nose in the usual place, nor had it any, in any other place of the Head, unless the double Bagg CC, that grew out of the midst of the forehead, were some rudiment of it.
Next, That the two Eyes were united into one Double Eye, which was placed just in the middle of the Brow, the Nose being wanting, which should have separated them, whereby the two Eye-holes in the Scull were united into one very large round hole, into the midst of which, from the Brain, entred one prety large Optick Nerve, at the end of which grew a great Double Eye; that is, that Membrane, called Sclerotis, which contained both, was one and the same, but seemed to have a Seam
