Page:Philosophical Transactions - Volume 013.djvu/191

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4. An account of the Dissection of a Bitch, whose Cornua Uteri being fill'd with the bones and flesh of a former conception, had after a second conception the Ova affix't to several parts of the Abdomen. By an ingenious Physician, a Fellow of the Royal Society.

It would seem a needless thing, to publish an observation, to confirm the opinion of the production of Animals from Eggs, which is almost Universally receiv d: but that some time since the Learned Deimerbroeck, and very lately Monsieur Verney have endeavor'd to confute and expose it. The most considerable argument they use is taken from the narrowness of the Fallopian Tubes, where they open into the Womb, and at their extremities. But, tho these Authors lay a great deal of stress on the structure of that passage, it cannot be accounted of any force, when ocular demonstration is brought against it; and the Eggs discover'd in the Entrance, and afterward to have made their way through them into the Womb.

The sagacious Dr. Harvey was very near the discovery of the Egg, and its use: He came within sight of it, but unhappily over look't it. After many repeted dissections of impregnated Deer, he asserts, that Nothing for about 6 or 7 Weeks can be seen in the Horns of their Wombs: That there then appeared somewhat like an Egg, a transparent liquor included in a very thin Membrane, in which after a Week he could plainly see the rudiments of a Fetus. Hegives