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Mundus Subterraneus

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LIB. in. H Y D R O G R A P H I C U S. 163<br />

Cap.X. fatisinnotefcit. Qiiscum impulfum Maris\<br />

fuftineant , hinc Litora Italise nuUo quoque<br />

j£jlu turbantur , utpote quse ab Infulis didis<br />

veluti antemurali quodam impediantur de-<br />

'fendanturque. Sed Mare circa Galliae , Liguris<br />

, Italis Litora in circulum ahiens, FaucibusFretiSiculiillabitur,<br />

ibique repuljum,<br />

jaPortu inque portum Tunetanum , quem Goletta<br />

quomodo<br />

i<br />

vocant , reflexum , ibi non exiguum JEjlum<br />

"eflicit.<br />

Vides igitur ad Litora Maris JEjlum uix<br />

fenfihikm elTe , ob Maris&variam Infularum<br />

procurrentiumque terrarum dijpoftionem-,<br />

hinc fitxViaqua a Lunaconcitatsnimis cito<br />

fefe diffundentes , atque in Litora & vicinas<br />

Infulas ilUja reJrdliequQ regularem Fluxus<br />

refuxufque motum neutiquamjtrvare valeant.<br />

/rr^-^^<br />

Qiiod & hac experientia<br />

probatur. Si in Va-<br />

Jis cujufpiamm««^iaqua<br />

referti medium A, lapidem<br />

conjicies , niox aquam in<br />

circulos fefe dilatantem &<br />

regulariter uniformiterq;<br />

ad oram undatim fe diffundentem<br />

, ibi proportionatum incrementum<br />

decrementumqiie efficere notabis.<br />

Accipiatur deinde ras A C , in longum<br />

protefijum , aqua plenum , in cujus me-<br />

/^ dium iterum lapidem injicies;<br />

f^^^^^^videbifque circulos aqueos<br />

yp/^^^^^ ob insqualitatem radiorum<br />

'..<br />

mo^x.fraths , alioquedefluentes<br />

prster tumultuarium (Eftum<br />

nil in ora vafis amplius<br />

relinquere. Si vero ajferculum<br />

V fluitare permittes , videbis<br />

circulos aqueos ruptos ad<br />

^ram Vafis ilHfionem impedire.<br />

Idem proportionaliter in<br />

Mari Mediterraneo fieri intelligas<br />

velim ; fiudus enim<br />

ex y£/?«nati,fl;atim advicina<br />

Litora & Infulas ohtunAuntur<br />

foffocanturque, exceptis Iretis<br />

ubi JEflus veluti inter angiportus<br />

conckifus vires fuas<br />

exerit. HmcintQX Cherehenes<br />

Injulam & Terram Ajricanam<br />

tem crefcere iricipiat ,<br />

ufqueduni Luna in Difqui<br />

linea Euronothi, quam Scirocco vulgb so- fiiioY^<br />

cant, fteterit; tunc tota vis Maris partim<br />

verfus Occidentem , partim verfus Sinus<br />

MX<br />

,<br />

Adrijtici OJiium conglobatur (cum latitudo<br />

quK eft a dicfto Oftio M ufque ad Litora<br />

X Africani Sinus , maxima totius Maris<br />

Mediterranei {it,ut Mappa monftrat).<br />

Violento<br />

itaque motu per Fauces dicli Oftii in<br />

AdriaticumfefQinfmuans ,inextremahujus<br />

parte mox fuccefliva undarum protrufione.<br />

Incrementum decremenlumc^ue caufabit.<br />

Quod verb in lateralibus Sinus Litoribus<br />

nullum ^ftus veftigium relinquat , caufa<br />

eft, quodFluxusMarisnuliumineo (utpote<br />

obliquo nimium ) impulfum imprimat.<br />

Durabitque hic Fluxus Refiuxujc^xe., donec<br />

Luna oppofitum quadrantem attigerit, uti<br />

Jupra fuse expofitum eft,<br />

Quomodo verb tanta JEflus Lunaris visfit in<br />

FretoSiculo doceamus. Cum Mare Medtterraneum,uti/upradiximus,<br />

a Litorihus Syria.<br />

adGd^rt^fj-^Jograduum, id eft, quatuor horarum<br />

interval/o diHet, fit ut Luna, ubi fupra<br />

Mare Mediterraneum quatuot horas adfcenderit,<br />

tum/^riw^w jncrementum{u(ci^iz.t 0-<br />

ceanus Atlanticus a radiis Lunanhus percufliis<br />

compreflufque. Ergo Mj/-/ ad fummum tumido<br />

, & undceOceani fucceflive invalefcentes<br />

per Fauces Gaditanas fumma violentia<br />

ingreffie ,<br />

aquas Mediterranei tumefadas, '<br />

Luna jam defcendente , -verfus Orientem<br />

fumma violentia repellunt , & potiflTimum<br />

verfus redum fibi oljetium Siculi Freti Ojiium;<br />

ubi memora.tum jEfium efficit admiratione<br />

digniffimum , in perpetua quippe<br />

Fluxus & Refluxus<br />

conftantem.<br />

iilconftantia perpetub<br />

Etfi z^ltus varias motus formas induat,<br />

furfum , nunc deorfum vergat , jam ad<br />

defleftat , nunc in gyros & gurgites,<br />

modbin ebullitiones , uti fupra Lih. 3. de<br />

Scylla ©' Charyhdi o{k.endimus, a.hea.t,commumstamenJEftusintanta<br />

motuum perturbatione<br />

ac confufione conftitutam a natura<br />

fex horarumfiuxus &totidemhoris refiuxus ^^uaUtaperiodnm<br />

adeo conftanter fervat , ut Con-^«F'uxus6.<br />

duftores navigiorum ,dato tempore qnoLu- Maf^skuio<br />

na Horizontem autMeridianum, vel aliam con(iamia.<br />

Coeli partemfubeat, Maris jEflufque incrementum<br />

decrementumque infallibili ratiocinio<br />

definiant ; & contra , dato Maris incremento<br />

decrementoque, Coelo etiam nubibus<br />

obdu6to , Lunafitum certo & abfque ullo errore<br />

enuncient : quod nunquam credidiffem<br />

, nifi ego examine fafto ex ipfifmet<br />

-Nautis rei veritatem cognoflTem.<br />

Reliqua hujus Freti accidentia vide, fi pla-<br />

non exiguum FluxumSc Refiuxum<br />

contingere , Hifl:orici<br />

—^^ narrant.<br />

Quomodo verb in ultimo Adriatici Sinus angulo<br />

Fluxus & Refluxus contingat ,ey.i^owzm\\s.<br />

Cum Mare , ut dixi , ex Ortu in Occafum in<br />

immenfam longitudinem inter Afiae, Europ2<br />

, Africx Litora videlicet 60 graduum,<br />

quae Italica milliaria ^jooconficiunt, por-<br />

cet, Lih. 3. ubi ea exadle demonftravimus.<br />

rigatur, fit ut orientis Lunce wj&influxus, Atque hjec de Maris Mediterranei motihm<br />

cu jus exigua latitudo Maris incapax eft , in difta fufficiant. Si qui tamen alii exotici<br />

longitudinem Maris exeratur , ut vel fic , cum motiis alicubi occurrerint , hic non expofiti,<br />

aliter non poflit, feratur ; atque adeb oriente<br />

Luna Mare protrufum verfus Occiden-<br />

principiis facile deduci poterit.<br />

illorum tamen ratio ex hifce pofitis noftris<br />

X 2<br />

Se-

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