1Courſes, more than the Names impoſed on them by our ſelves.210The great Maſſe of Grave Bodies being tranſferred out of their Place, the ſeperated parts would follow that Maſſe.221PENSILE BODY; Every Penſile Body carried round in the Circumference of a Circle, acquireth of it ſelf a Motion in it ſelf contrary to the ſame.362CBLESTIAL BODIES neither heavy nor light according to Ariſtoile.23Celeſtial Bodies are Generable and Corruptible becauſe they are Ingenerable aud Incorruptible.29Amongſt Celeſt. Bodies there is no contrariety.29Celeſtial Bodies touch, but are not touched by the Elements.30Rarity and Denſity in Celectial Bodies, different from Rarity and Denſity in the Elements.30Celeſtial Bodies deſigned to ſerve the Earth, need no more but Motion and Light.45Celeſtial Bodies wantan interchangeable Operation on each other.46Celeſtial Bodies alterable in their externe parts.46Perfect Sphericity why aſcribed to Celeſtial Bodies by Peripateticks.69All Celectial Bodies have Gravity and Levity.493ELEMENTARY BODIES; Their propenſion to follow the Earth, hath a limited Sphere of Activity.213LIGHT BODIES eaſier to be moved than heavy, but leſſe apt to conſerve the Motion.400LUMINOUS BODIES; Bodies naturally Luminous are different from thoſe that are by nature Obſcure.34The reaſon why Luminous Bodies appear ſo much the more enlarged, by how much they are leſſer.304Manifeſt Experience ſhews that the more Luminous Bodies do much more irradiate than the leſſe Lucid.306SIMPLE BODYES have but one Simple Motion that agreeth with them.494SPHERICAL BODIES; In Spherical Bodies Deorſum is the Centre, and Surſum the Cirference.479BONES.The ends of the Bones are rotund, and why.232BUONARRUOTTI.Buonarruotti a Statuary of admirable ingenuity.86CCANON.A ſhameful Errour in the Argument taken from the CanonBullets falling from the Moons Concave.197An exact Computation of the fall of the CanonBullet from the Moons Concave, to the Centre of the Earth.198CELESTIALCeleſtial Subſtances that be Unalterable, and Elementary that be Alterable, neceſſary in the opinion of Ariſtotle.2CENTRE.The Sun more probably in the Centre of the Univerſe, than the Earth.22Natural inclination of all the Globes of the World to go to their Centre.22Grave Bodies may more rationally be affirmed to tend towards the Centre of the Earth, than of the Univerſe.25CHYMISTS.Chymiſts interpret the Fables of Poets to be Secrets for making of Gold.93CIRCLE, and Circular.It is not impoſſible with the Circumference of a ſmall Circle few times revolved, to meaſure and deſcribe a line bigger than any great Circle whatſoever.222The Circular Line perfect, according to Ariſtotle,and the Right imperfect, and why.9CLARAMONTIUS.The Paralogiſme of Claramontius.241The Argument of Claramontius recoileth upon himſelf.245The Method obſerved by Claramontius in confuting Aſtronomers, and by Salviatus in refuting him.253CLOUDS.Clouds no leſſe apt than the Moon to be illuminated by the Sun.73