of it suited to a greater Circle of the Earth. So that the whole Phonical Sphere (if I may so call it) will be a solid Hyperbola , standing upon a Concave Spherical Base. I speak this concerning Sounds made (as usually they are) nigh the Earth, and whose Sonorous Medium has a free passage every way. For if they are generated high in the Air, or directed one way, the case will be different; which is partly design'd in the inequality of that Draught.
A Discourse concerning the Modern Theory of Generation , by Dr. George Garden of Aberdeen , being part of a Letter to Dr. William Musgrave , L. L. D. Reg. Soc. S. and by him communicated the Royal Society.
THE Subject I pitch upon, is that of the Formation of Animals. You know how wide and unsatisfying Men's Conjectures were upon this Head, until this Age, in which first the deservedly Famous Dr. Harvey discovered the proper place of the Formation of the Chick in the Cicatricula of the Egg, and the Formation of the Parts so far as was discernable by the naked Eye; and after him Malpighius, by the help of exact Glasses, observ'd the first Rudiments of it there, both