Cardano, Girolamo, De subtilitate, 1663
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              affert leuia, & pericula grandia: ſuprà au­
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              tem Ægyptius mergitur, & detrimenta ma­
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              gna patitur, cum ſubmerſionis euidenti diſ­
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              crimine, ſi modò euadat. </s>
              <s id="s.002275">A 15. infrà vſque
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              ad 12. annonæ caritatem, ſed leuem in­
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              fert: à 12. ad 10. grauem. </s>
              <s id="s.002276">Infrà autem nun­
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              quam ſubſiſtere videtur. </s>
              <s id="s.002277">Hæc eſt recens rei
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              huius hiſtoria omni fide digna. </s>
              <s id="s.002278">Sed ad He­
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              rodotum venio, cuius de Nili incremento
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              ſententiam malè conuerſam, deteriúſque in­
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              tellectam, nuper ego emendaui explicaui­
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              que. </s>
              <s id="s.002279">Hanc etiam Strabo confirmauit. </s>
              <s id="s.002280">Ne­
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              que tamen cuiquam mirum videri debet,
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              quòd quum Nilus habeat ortum vbi Sol,
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              dum Sol eſt facit nobis hyemem in noſtra
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              ætate, quæ illis initium eſt hyemis, niues
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              imbréſque genitos incrementum flumini, at­
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              que ex eo inundationis occaſionem præſta­
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              re: at nunc longè maior tempore facta eſt
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              inundatio: temporibus namque Strabonis
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              iam ſexaginta diebus campi ſiccabantur.
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              </s>
              <s id="s.002281">Inundationis cauſa eſt fluminis magnitudo.
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              </s>
              <s id="s.002282">Maximus enim fluuiorum, vt Arianus ſcri­
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              bit, Ganges pòſt quem Indus, pòſt Nilus.
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              </s>
              <s id="s.002283">Ergo Gangete primo, Indoque ſecundo,
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              tertio Nilo, Hiſter quarto loco adnumera­
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              bitur. </s>
              <s id="s.002284">Quintus in Libya, Niger à Ptolo­
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              mæo vocatus, Nilo haud minor, naſcitur
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              è Thala monte: nunc à Luſitantis Senega
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              vocatur in fluuius. </s>
              <s id="s.002285">In Nilum nullum om­
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              ninò flumen influit. </s>
              <s id="s.002286">Aceſinem, qui in In­
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              dum influit, quatuor penè Millia paſſuum
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              latitudinis habere, autor eſt Arianus. </s>
              <s id="s.002287">Sed
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              Ganges vbi eſt anguſtiſſimus, 12000. paſ­
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              ſuum patet, ac inſuper quingentis: vbi
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              latè patet, nulli videntur termini. </s>
              <s id="s.002288">Alios
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              incredibilis vaſtitatis, ſi vera referunt, in
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              Braſilia amnes inuenêre Hiſpani, velut
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              Platam, qui oſtio 30000. paſſuum in mare
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              deuoluebatur. </s>
              <s id="s.002289">Eſt & Maragnonus, qui cum
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              ingreditur mare, paſſibus 80000. patet:
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              Dabaida verò, & ſanctæ Marthæ, 30000.
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              atque hi tres ( vt ferunt ) in littore boreali
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              iuxta Pariam. </s>
              <s id="s.002290">Sed mutatur ratio magnitu­
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              dinis per tempora. </s>
              <s id="s.002291">Omnium, enim morta­
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              lium quidam eſt viciſſitudo: namque fluuij
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              influentes non ſolum amnes alios in quos
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              influunt, ſed etiam mari ſiccare conſueue­
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              runt. </s>
              <s id="s.002292">Narrat Herodotus, Acheloum mare
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              profluentem, tantum arenarum aduexiſſe
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              (hoc enim modo ſiccant maria ) vt Echina­
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              nadum inſulas media iam ex parte conti­
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              nenti adiecerit. </s>
              <s id="s.002293">Author eſt. </s>
              <s id="s.002294">Polybius, Tanaim
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              & cæteros fluuios ſic mare ſuo tempore Eu­
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              xinum implere, ac Mæotim paludem, vt iam
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              ipſa non amplius habeat altitudinis aquæ
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              quàm ſeptem vlnas, & pro ſalſa dulcis illa
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              facta eſt. </s>
              <s id="s.002295">De Ehinadibus quaſdam iam con­
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              tinenti iunctas refert Strabo, indiéſque re­
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              liquas iungi, cùm quæ plurimum abeſt, ſo­
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              lùm 15. ſtadiis ab oſtio Acheloi fluminis
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              diſtet.
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              </s>
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            <p type="margin">
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              Diluuiorum
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              cauſa.</s>
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              In Timæo.
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              </s>
              <s id="s.002298">Cauſa par­
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              uitatis a
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              quæ.</s>
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            <p type="margin">
              <s id="s.002299">
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              Cauſa mo­
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              tus aqua­
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              rum verſus
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              meridiem.</s>
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            <p type="margin">
              <s id="s.002300">
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              Cur ſol non
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              accedat ad
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              polos.
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              </s>
              <s id="s.002301">Cur aqua
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              tantum aſ­
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              cendat
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                tum</expan>
              deſcen­
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              dit.</s>
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            <p type="margin">
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              De elemen­
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              torum ma­
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              gnitudinis
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              cauſa & ſi­
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              gno.</s>
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            <p type="margin">
              <s id="s.002303">
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              Aquarum
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              genera à ſitu
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              & magni­
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              tudine ſum­
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              pta.</s>
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            <p type="margin">
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              Palus Al­
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              cyonia pro­
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              fundiſſima.</s>
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            <p type="margin">
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              De ortu flu­
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              minum.</s>
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              Libro. </s>
              <s id="s.002307">2.</s>
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              Nili inun­
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              datio.</s>
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            <p type="margin">
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              15. & 17. li­
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              bro Geogra
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              phiæ.</s>
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            <p type="margin">
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              Qui maxi­
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              mi fluuij.</s>
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            <p type="margin">
              <s id="s.002311">
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              Flumina
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              ſiccant ma­
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              ria.</s>
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            <p type="margin">
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              Libro 2.</s>
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              10. Geo­
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              graph.</s>
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            <p type="margin">
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              Nilus cur
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              aura careat.</s>
            </p>
            <p type="main">
              <s id="s.002315">Sed poſtquam in fluminum narrationem
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              incidimus, non abs re erit conſiderare cur
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              ſolus Nilus aura careat, vel ſaltem caruit:
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              nam Herodotus hoc conſtanter affirmat.
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              </s>
              <s id="s.002316">Nobis id curæ maximé eſſe debet, vt cauſam
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              rerum inueniamus, ne ſi curſu temporis in
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              aliis adueniant, quam in aliis ceſſauerunt
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              poſt perplexi hæreamus. </s>
              <s id="s.002317">Ergo aura maximè
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              fit vbi aqua teporem à Sole conceperit.
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              </s>
              <s id="s.002318">Indicio eſt, quod ſub ortu & occaſu, non
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              media die, circa flumina æſtate oritur. </s>
              <s id="s.002319">Cùm
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              enim Sol eleuat, nec attrahit ad ſuperiora
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              aquæ motu aër impellitur: qui ab aqua re­
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              frigeratus, auram ſuauem efficit, quam iux­
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              ta exortum Solis & occaſum æſtate circa
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              flumina ſentire ſolemus. </s>
              <s id="s.002320">At Nili initium
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              proculdubio cùm citra circulum brumalem
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              ſit & totus per torridam feratur regionem,
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              auram nunquam concipere poterit: nam etſi
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              creetur aliqua, ſtatim immodico Solis calo­
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              re conſumitur. </s>
              <s id="s.002321">Flumen verò eodem curſu
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              quo aërem refrigerat, purgatur ab omni ter­
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              rena ſorde: ideoque nullum ſalſum: poſſet
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              tamen eſſe, vbi è loco proximo materia ſal­
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              ſa in illud influeret: verum etſi contingere
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              poſſit, haud tamen facilè, ob dictam cauſam
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              huius exemplum inuenias. </s>
              <s id="s.002322">Sic Nilus cùm
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              è longiſſimis veniat regionibus, & calore
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              Solis torreatur, aquas ſecum defert ſaluber­
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              rimas. </s>
              <s id="s.002323">At maria omnia ſalſa ſunt, atque
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              etiam amara: cuius rationem vbi expoſuero
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              prius, propoſitam quæſtionem ſubiiciam.
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              </s>
              <s id="s.002324">Quòd igitur aqua ex imbre flumina augere
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              poſſit, apud nos videmus perſæpe, dum poſt
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              pluuias extenuati iam antè fluuij, adeò creſ­
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              cunt vt agros inundent: quidam etiam tor­
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              rentes, quorum ſolùm foſſa lapillis plena ſu­
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              pererat, adeò per plures dies aqua copioſa
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              decurrunt, quam vel Solis imbribus conce­
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              perunt, aut niuibus liquatis, vt magni flu­
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              minis vicem ac ſpeciem ſubeant. </s>
              <s id="s.002325">Nec differt
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              torrens à flumine, niſi quòd non perennis
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              eſt: nam nec illius cauſa talis eſt. </s>
              <s id="s.002326">Igitur ſi
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              montes mane inuiſas, hudos inuenies. </s>
              <s id="s.002327">Sen­
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              ſim igitur intra extráque riuuli coacta aqua
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              effluunt, atque multi in vnum coeuntes flu­
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              men efficiunt: hoc niſi pluuiis, aut niuium
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              liquefactione adiuuetur, extenuatum ſem­
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              per videbis. </s>
              <s id="s.002328">Quo tempore parua aqua ſuffi­
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              cit, non ſolùm quòd parum aquæ illius al­
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              ueus contineat, ſed quòd dum lentè fluit ea­
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              dem aqua pluribus in locis ſatisfacit. </s>
              <s id="s.002329">Hac
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              verò cauſa haud dubium relinquitur, cur flu­
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              uij matutinò ſoleant excreſcere, tum maxi­
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              mè ea parte qua fonti ſuo fuerint proximi:
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              nempe nocte multum roris æſtate, multum
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              nebulæ hyeme decidit: quò fit vt ſequenti
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              Solis exortu creſcere multum incipiant, &
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              maximè temporibus mediis Autumno & Ve­
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              rè, cùm pruina cadens Solis tempore diſſol­
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              uitur. </s>
              <s id="s.002330">Igitur aqua quæ intra montem lapi­
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              dum frigore, & quæ extra noctis auxilio
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              creatur, intrò ſenſim labitur. </s>
              <s id="s.002331">Pars etiam ex­
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              trà in riuulos cogitur, inde è multis riuulis
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              flumen exiguum plerunque creatur, è pluri­
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              bus exiguis magnum, vt Padus, Hiſter, In­
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              dus, Euphrates. </s>
              <s id="s.002332">Hæcque eſt cauſa perpetui­
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              tatis fluminum, ſicut incrementi pluuiæ, &
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              niues. </s>
              <s id="s.002333">Tanais verò & fontes omnes qui è
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              locis planis ſcaturiunt, non ibi creantur, ſed
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              in montibus, inde ad locum illum delati, ea
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              ratione
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              diximus nuper, quòd aqua cum
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              præmitur è locis altioribus tantum aſcendit
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              quantum deſcenderat, emergunt è terra.
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              </s>
              <s id="s.002334">Mare autem non mittit fontes niſi ſalſos:
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              nam quidam proximi naſcuntur, ſed ſalſi </s>
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