m (o!) 



^el fei-mencationc ali^ua indu£ia, verutroque coneurrentc fefc 

 emnibus viribu^ extendere, ac ampliu^ fpacium quaerere, ut adcd 

 centrum collefe magnicudinis hoc in lo?o idem fic cum cencro 

 moTus, (quee duo camen in ftacicis ab invicem diftingui debenc) 

 unde ceii d loco firmo > radiorum ad inftar fdb quaquavcrfum; 

 pracdndunt, donec vel proprice vires iponte de6cidnr , vcl ambi- 

 cncis maceri^ rejSftentia^ feu pofitiva, feu negativa, progrelTus ul?» 

 ;Ceriorcs impcdiat. ExempiaM genus expanfionum pix)ilanc ubi- 

 vis inNacura & ArcejPyricem poffideo mecalfarem, in fummitacif; 

 btis Alpi om tepertum ^ ac pro I^ide fuimiiiari m Rimia milil 

 vpnditum, qucni hoc modo conei^io progenicum efle, difft^dus 

 xnim innum.€ros ex eencro verfus peripfcriam pirocrudic radios j 

 familiaris quoque efl tec racinpuni fyllafii ia 54af caficis , Antif 

 liaonio nacivo (5teo . 

 c^: Q^mndo igicur (juxcal.) lapides omneSy & figuratis & 0^I1| 

 cibrca figura^rardici, & Conchices maflse lapide^ indafus, & ma.r 

 jteria arnbicns, ance fuerunt fluidi, <juani indurucrunt, ^ (viill. ) 

 jimpr^gnaci fucco lapidefcente ac corpufculis Salinis, qux^ poftr 

 ^uam (volence ica ) fele coacentrSrunc in medio mafe, vd 

 i|i ajio convementi loeo , (fecundum VL) fefc quaquaverfum ra- 

 !<^iorum inftar protendere occipiunc ; ha^c iinearum re£larum | 

 centro fixo verrus circumfcrentiam excurfio, fi aequalibus fiat ia 

 .omnes partes viribus, concipio gencratam figu.ram pcrfefteiph^- 

 ricam, quae nonfaciie fele commiicet maceri^ eonciguje, quuni 

 ii^c impurior fit, illa purior, basc craiTior illa fubcilior , hxc pre- 

 Mit guidem , iiiavero cocis refiftic preiTioni viribus, corporibus 

 tiiscc, cam eoncincnti excerno, quam contenio interiorij a petri- 

 fico quopiamjpenetranciq; fucco correptiss acqueita congekcis, 

 repr^fencabit corpulfculum eonclufum fphaeram perfede rocun- 

 clarn:, eamque undique laevem ; rotunditas ubi deficit atque alpe.- 

 ritas qusepiam in exceriori fuperficie mnfpicTcur, eauf m facile 

 tribuo inarquali radiorum vel lineaiuin expaofiGni, vci haud pro- 

 portionatae ambicntis matctiiae preIIioni,fubjaccntisq; coatra pres^ 

 P€€ JlLAn .1 V.App. X * fipui^ 



