Theory of acids, falts, and alcalies, Sect. 129-136. 227 Air the common seminary of all vivifying principles, 137144 Air, of what it confifts, 147151. 195-7 Pure æther, or invisible fire, the fpirit of the universe, which operates in every thing, 152 The doctrine of all things un More ancient than many are a- 243, 4 Attraction in fome degree dif 62 The world how understood to be an animal, 152-156. 166. 175. 262. 273.-9 Opinion of the ancients concerning it, 166-75. 229 And of the Chinese conformable to them, 180-82 What meant by the forms of the Peripatetics, 167.310 Fire worshipped among various nations, 183-5 Opinion of the best modern che- Of abfolute space, and fate, mifts concerning it, 189-90 270-3 Ultimately the only menftruum Of the anima mundi of Plato, in nature, 191 Adds to the weight of bodies, and even gold made by the introduction of it into quickfilver, 169. 192-6 Pure elementary fire how inherent in bodies without being fubject to the fenfes, 198-201 Opinion of Hippocrates and Dr. Willis of a vital flame, 204, 5 The theory of Ficinus and others concerning light, 206-13 Sir Ifaac Newton's hypothefis of a fubtle æther examined, 221. 228. 237. 246. Pure æther the fame with his acid, 130. 202. 227 No accounting for natural phæ nomena, either by attraction and repulfion, or by elastic æther, without the prefence of an incorporeal agent, 231 38. 246 249. 294-97 Had fome advantages beyond us, nate, or not, 298 276-84. 322 What meant by the Egyptian Ifis and Ofiris, 268. 299 Plato's and Ariftotle's threefold diftinction of objects, 306-7 Their opinion of ideas being in308, 9 Neither of them believed the abfolute exiftence of corporeal things, 311, 12. 316-18 The ftudy of the philofophy of Socrates and Pythagoras would have fecured the minds of men from that selfishness which the mechanic philofophy has introduced, 331, 32 The ftudy of Plato recommended, 332.338 Who agrees with Scripture in many particulars, His opinion of the deity, and 339 particularly of a trinity, agree. able to revelation, 341-365 |