Cardano, Girolamo, De subtilitate, 1663
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              <s id="s.007541">
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              ductus magno rei miraculo. </s>
              <s id="s.007542">Sed qui noſtra
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              ætate illos viderunt, hæc addunt: Corpus
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              eius viride fermè eſt cum ſplendore quo­
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              dam, maculis ex albo cæruleóque diſtinctis.
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              </s>
              <s id="s.007543">Sub ventre tamen dilutior eſt color viridis,
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              & maculæ ipſæ vbicunque ſunt, clauorum
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              formam quaſi referunt, cùm rotundæ pau­
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              liſper prominere videantur. </s>
              <s id="s.007544">Aſpectus eius
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              admodum alacris eſt, ac lætus, quòd oculi
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              illius virides, & ex candido luteóque miſti
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              multam lucem contineant, ideóque hilarior
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              videtur. </s>
              <s id="s.007545">Sed cùm ſuprà viridem colorem,
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              aut album, vel cæruleum ponitur, colos
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              ſimilis iam natiuus viget, & magis efflo­
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              reſcit, reliquis duobus non mutatis. </s>
              <s id="s.007546">Sed
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              quiſque ſuis in partibus ſeruatur. </s>
              <s id="s.007547">At cùm
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              ſuper nigrum ponitur colorem, pars viridis
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              mirum in modum obſcuratur & hebeſcit,
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              maculæque mutantur. </s>
              <s id="s.007548">Idem etiam ei abſ­
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              que coloribus contingit: vexatus enim aut
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              detentus vi, maculas in nigrum commutat,
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              & viridis color obſcuratur. </s>
              <s id="s.007549">Idem lætus &
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              alacris ſpontè colores natiuos ingeminat &
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              accendit: adeò vt non obſcurum ſit hanc co­
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              lorum mutationem illi contingere ob animi
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              affectus. </s>
              <s id="s.007550">Conuerſus ad ſolem, illius radios
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              hianti ore excipit, & aërem deuorat. </s>
              <s id="s.007551">Nam
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              ſenſim primò turget collum, inde partes re­
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              liquæ, donec aëre ad ventris imum deſcen­
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              dente pars etiam illa intumeat. </s>
              <s id="s.007552">Naſcitur in
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              Soquotra inſula orientalis Indiæ. </s>
              <s id="s.007553">Cæterùm
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              quòd aërem deuoret, Ariſtoteles in verbis
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              ſuprà ſcriptis teſtatur, ſed quòd nullo alio
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              vtatur nutrimento, non dixit. </s>
              <s id="s.007554">At igitur
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              verum non eſt, aut hoc non nouit. </s>
              <s id="s.007555">Quidam
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              conſtanter affirmant veſci cibo, non aëre,
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              quòd egerat. </s>
              <s id="s.007556">Dicet forſan quiſpiam: Quor­
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              ſum quæ ab Ariſtotele ſcripta ſunt, tot
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              verbis in hunc transferre librum? </s>
              <s id="s.007557">At no­
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              ſtri propoſiti eſt, cauſas rerum obſcuriſſi­
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              marum reddere quare niſi tanti viri teſti­
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              monio effectus fides corroboraretur, vana
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              eſſet diſputatio. </s>
              <s id="s.007558">Cur igitur hoc animal co­
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              lorem mutet, & cur abſque cibo viuere
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              poſſit, demonſtrandum eſt. </s>
              <s id="s.007559">At non ſine ci­
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              bo viuit, dices. </s>
              <s id="s.007560">Non contendo: ſed diu vi­
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              uere multa animalia abſque cibo, vt vrſo,
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              buffones, ſerpentéſque, omnibus comper­
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              tum eſt. </s>
              <s id="s.007561">Videntur quoque cicadæ ſic viuere.
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              </s>
              <s id="s.007562">Quot igitur modis animal abſque cibo viue­
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              re poſſit ſi edocuero, operæpretium facturum
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              me arbitror. </s>
              <s id="s.007563">Sed prius altera quæſtio diſſol­
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              uenda erit. </s>
              <s id="s.007564">Proponitur igitur hoc nobis,
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              cur chamæleon colores ſuos mutet? </s>
              <s id="s.007565">non
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              quidem latet quenquam homines in ira fie­
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              ri rubicundiores, & quaſi nigreſcere, in ti­
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              more autem paleſcere, adeò vt quidam
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              mortuis ſimiles eſſe videantur. </s>
              <s id="s.007566">In verecun­
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              dia autem totus ſanguis concutitur, it, re­
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              ditque calor, & maximè in pueris, quod tuus
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              inquam Poëta Mantuantus docuit pulchrè,
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              dicens:
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              At ſi virgineum ſuffuderit ore ruborem.
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              Crocodilli
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              hiſtoria.</s>
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            <p type="margin">
              <s id="s.007568">
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              Chamæleon.</s>
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            <p type="main">
              <s id="s.007569">Itaque vbi tenuis cutis ſit atque ſanguis
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              ipſe facilè moueatur ſuffundi, diuerſum co­
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              lorem neceſſe eſt: taliſque mutatio in prima
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              hominum ætate videtur, & eò frequentior,
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              quò humor tenuior extiterit. </s>
              <s id="s.007570">Vbi igitur cu­
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              tis tenuis ac perſpicua, & humor tenuis,
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              ibi ſi affectus multum poſſint, nec adſint pi­
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              li coloris mutationem fieri neceſſe eſt. </s>
              <s id="s.007571">At
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              hæc omnia in chamæleonte ſunt, cutis per­
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              ſpicua, ac tenuis, humor tenuis, pili nulli, &
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              affectibus magnis, vt timori ac triſtitiæ, ſub­
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              iicitur: eſt enim animal pauci admodum ſan­
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              guinis, & ob id natura timidum, & ea cauſa
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              etiam ex lætitia in mœrorem facillimè tran­
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              ſit. </s>
              <s id="s.007572">Itaque nihil mirum ab affectibus cha­
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              mæleontem immutari. </s>
              <s id="s.007573">At dicet quiſpiam:
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              Non ex affectibus ſolùm, ſed etiam ex colo­
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              ris præſentia mutatur, atque in ſimilem co­
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              lori præſenti. </s>
              <s id="s.007574">Verùm (vt dictum eſt) non in
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              omnem colorem mutatur, ſed ea tantùm ra­
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              tione quæ dicta eſt. </s>
              <s id="s.007575">Fingamus igitur adeſſe
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              album colorem, dum illum videt pars ea quæ
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              alba eſt accenditur, atque ſic colorem inge­
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              minat. </s>
              <s id="s.007576">Videmus enim in hominibus, ſi mu­
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              lierem quam amant, mente conceperint, eri­
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              gitur membrum virile, aliis omnibus parti­
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              bus penitus immutatis. </s>
              <s id="s.007577">Si rem
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              ,
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              cor ilicò palpitat, non pes, virile membrum.
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              </s>
              <s id="s.007578">Itaque idem contingit in chamæleonte: par­
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              tes enim colori ſimiles humorem aqueum,
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              & clarum ad ſe trahunt, vnde omnes colores
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              illuſtrantur. </s>
              <s id="s.007579">Exemplum cape ab aurifabris:
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              carbunculis, ſmaragdiſque ac ſapphiris ar­
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              genteas ſupponunt bracteas, & tamen om­
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              nes illuſtrantur, colorémque ſuum ſplendi­
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              diorem reddunt gemmæ. </s>
              <s id="s.007580">Accedit his omni­
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              bus diuerſitas aſpectus lucis, quæ ob cutis
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              nitorem fit, velut in columbæ collo: ex mo­
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              dica enim conuerfione ſplendorem diuerſo
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              modo excipit. </s>
              <s id="s.007581">Plurimùm tamen ad hoc facit
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              aëris copia qua turget: nam & in galli pauo­
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              rum Indorum ingluuie (qui adeò cucullæ co­
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              lores mutant in album, rubrum phœniceum,
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              aliis etiam maculis intermicantibus) tantus
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              flatus continetur vt inflata tympana eſſe di­
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              ceres. </s>
              <s id="s.007582">Ita hæc duo animalia & flatu turgent,
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              & magnis affectibus torquentur, & perſpi­
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              cuè colores mutant. </s>
              <s id="s.007583">Potior igitur cauſa in
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              qua conueniunt, flatus ſcilicet contentus, at­
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              que ex eo diſtentio quædam. </s>
              <s id="s.007584">Sed cur abſque
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              cibo viuat, alia quærenda ratio: nam (vt di­
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              xi) cicadæ, auctore Ariſtotele, etiam abſque
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              cibo viuunt. </s>
              <s id="s.007585">Indicio etiam eſt quòd ore ca­
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              rent, & diſſectæ: nihil in ventre habent.
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              </s>
              <s id="s.007586">Illudque magis mirum, quia totis diebus ple­
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              ræque ex his ſtrepunt, & oua pariunt, & au­
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              gentur, & cortice ſunt duro, & coëunt, quæ
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              omnia ſunt opera alimenti. </s>
              <s id="s.007587">Olim cicadæ an­
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              tequam exurent corticem tettigometram,
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              ſuaues cùm eſſent, edebantur, & ſimiliter
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              oua illarum Ariſtotele teſte. </s>
              <s id="s.007588">Cicada enim
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              primò vermis eſt ex ouo natus, inde tettigo­
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              metra, vltimò cortice exuto cicada, tuncque
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              durior eſt. </s>
              <s id="s.007589">Oua candida ſunt, & valde ſuauia
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              guſtu. </s>
              <s id="s.007590">Manifeſtum eſt igitur eas nutriri, &
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              abſque cibo potúve. </s>
              <s id="s.007591">Nam & temporibus
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              ſiccis, & calidis regionibus, abſque pluuia vi­
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              gent, & oliuam diligunt ob vmbræ paruita­
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              tem. </s>
              <s id="s.007592">Nutriuntur igitur è cœli rore: nam ex
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              rore manna fit, qua populus Hebræus nutri­
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              tus eſt in deſerto. </s>
              <s id="s.007593">Et nunc etiam nutriri ho­
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              mines manna perſpicuum eſt, quantò magis
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              tam exili animali nutrimentum eſſe poterit?
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              </s>
              <s id="s.007594">Nutriuntur igitur è rore, vel etiam ex aëre
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              ipſo: nam aër humidum quiddam
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              ſemper continet. </s>
              <s id="s.007595">Indicio ſunt lapides è ſili­
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              cum, vel marmorum genere, qui ſemper ma-</s>
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