<emph type="italics"/>Cur plumbum in aere ligno tardius de&longs;cendit, in aqua lignam &longs;upernatai, <lb/> plumbum vero mergitur.<emph.end type="italics"/> 214. <lb/> <emph type="italics"/>Error Themistij hac de re confutatur.<emph.end type="italics"/> 216. </s>
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<s id="s.001909">Caput VIII.<lb/> <emph type="italics"/>Quomodo aer &longs;it in proprio loco grauis.<emph.end type="italics"/> 217. <lb/> <emph type="italics"/>Ab aere violentus, & naturalis motus iuuatur.<emph.end type="italics"/> 217. <lb/> <emph type="italics"/>Cur a principio violentus motus e&longs;t &longs;egnior.<emph.end type="italics"/> 218. <lb/> <emph type="italics"/>In motu violento tres &longs;unt motus, vnus naturalis, duo violenti.<emph.end type="italics"/> 218. <lb/> <emph type="italics"/>In syphonibus attracti aeris impetu aqua &longs;ur&longs;um rapitur:<emph.end type="italics"/> 219. <lb/> <emph type="italics"/>Aerem magis e&longs;&longs;e grauem, quam leuem experientia confirmatur:<emph.end type="italics"/> 219. <lb/> <emph type="italics"/>Frigiditas grauitatis cau&longs;a non e&longs;t.<emph.end type="italics"/> 220. <lb/> <emph type="italics"/>Grauitas, & leuitas propter primas qualitates elementis non tribuun­<lb/> tur.<emph.end type="italics"/> 220. <lb/> <emph type="italics"/>Elementorum grauitates, & leuitates inter &longs;e, & à mixtorum grauitate, <lb/> & leuitate &longs;pecie differunt.<emph.end type="italics"/> 121. <lb/> <emph type="italics"/>Motus à grauitate factus ab eo motu &longs;pecie differt, qui à leuitate fit.<emph.end type="italics"/> 221. <lb/> <emph type="italics"/>Eiu&longs;dem elementi grauitas, & leuitas &longs;pecie differt, cum est in proprio lo<lb/> co, & extra eumdem.<emph.end type="italics"/> 221. <lb/> <emph type="italics"/>Mixtorum grauitates, & leuitates &longs;pecie differunt:<emph.end type="italics"/> 222. <lb/> <emph type="italics"/>Grauitas, & leuitas non ex primis elementorum perualgatis qualitatibus, <lb/> &longs;ed ex maiore, aut minore distantia à motu primi mobilis na&longs;citur.<emph.end type="italics"/> 222. <lb/> <emph type="italics"/>Primæ qualitates grauitatem, & leuitatem non faciunt, &longs;ed iuuant.<emph.end type="italics"/> 223. </s>
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<s id="s.001910">Caput IX.<lb/> <emph type="italics"/>Quare medicorum cucurbitula aquam, & carnem non autem terram &longs;ur&longs;um <lb/> trahant.<emph.end type="italics"/> 224. <lb/> <emph type="italics"/>Terra non vnam cum aqua &longs;uperficiem habet.<emph.end type="italics"/> 224. <lb/> <emph type="italics"/>Alexandro primæ omnium con&longs;en&longs;u tribuuntur.<emph.end type="italics"/> 225. <lb/> <emph type="italics"/>Frigidum conden&longs;at.<emph.end type="italics"/> 225. <lb/> <emph type="italics"/>Themi&longs;tius Alexandrum carpit.<emph.end type="italics"/> 225. <lb/> <emph type="italics"/>Calidum attrahit.<emph.end type="italics"/> 223. <lb/> <emph type="italics"/>Idem corpus numero ab eodem corpore numero &longs;imul non trahitur, & non <lb/> pellitur.<emph.end type="italics"/> 226. <lb/> <emph type="italics"/>Auerroes Alexandrum refellit.<emph.end type="italics"/> 226. <lb/> <emph type="italics"/>Nullum corpus fluidum fluit, ni&longs;i aliud fluidum corpus con&longs;equa­<lb/> tur.<emph.end type="italics"/> 226. <lb/> <emph type="italics"/>A vacuo natura abhorret.<emph.end type="italics"/> 226. <lb/> <emph type="italics"/>Clepsydræ non ni&longs;i aperto &longs;uperius existente ore implentur.<emph.end type="italics"/> 226. </s>
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<s id="s.001911">Caput X.<lb/> <emph type="italics"/>Quare pulueres per medium aerem volitant, maiora verò corpora de&longs;cen­<lb/> dunt.<emph.end type="italics"/> 228. <lb/> <emph type="italics"/>Mollia, & parus corpora facile diuiduntur.<emph.end type="italics"/> 229.
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