no cau&longs;e of ebbing and flowing, &longs;ave onely by the participation
<lb/> of another Sea, wherewith it hath communication, that is &longs;ub­
<lb/> ject to great commotions.
<lb/> <arrow.to.target n="marg768"></arrow.to.target></s></p>
<p type="margin"><s><margin.target id="marg767"></margin.target><emph type="italics"/>The cau&longs;e why
<lb/> &longs;ome Seas, though
<lb/> very long, &longs;uffer
<lb/> no ebbing and
<lb/> flowing.<emph.end type="italics"/></s></p>
<p type="margin"><s><margin.target id="marg768"></margin.target><emph type="italics"/>Ebbings and
<lb/> flowings why grea­
<lb/> te&longs;t in the extre­
<lb/> mities of gulphs,
<lb/> and lea&longs;t in the
<lb/> middle parts.<emph.end type="italics"/></s></p>
<p type="main"><s>In the fourth place we &longs;hall very ea&longs;ily find out the rea&longs;on
<lb/> why the fluxes and refluxes are greate&longs;t, as to the waters ri&longs;ing
<lb/> and falling in the utmo&longs;t extremities of Gulphs, and lea&longs;t in the
<lb/> intermediate parts; as daily experience &longs;heweth here in <emph type="italics"/>Venice,<emph.end type="italics"/>
<lb/> lying in the farther end of the <emph type="italics"/>Adriatick<emph.end type="italics"/> Sea, where that diffe­
<lb/> rence commonly amounts to five or &longs;ix feet; but in the places
<lb/> of the Mediterrane, far di&longs;tant from the extreams, that mutati­
<lb/> on is very &longs;mall, as in the I&longs;les of <emph type="italics"/>Cor&longs;ica<emph.end type="italics"/> and <emph type="italics"/>Sardinnia,<emph.end type="italics"/> and
<lb/> in the Strands of <emph type="italics"/>Rome<emph.end type="italics"/> and <emph type="italics"/>Ligorne,<emph.end type="italics"/> where it exceeds not half a
<lb/> foot; we &longs;hall under&longs;tand al&longs;o, why on the contrary, where
<lb/> the ri&longs;ings and fallings are &longs;mall, the cour&longs;es and recour&longs;es are
<lb/> great: I &longs;ay it is an ea&longs;ie thing to under&longs;tand the cau&longs;es of the&longs;e
<lb/> accidents, &longs;eeing that we meet with many manife&longs;t occurrences
<lb/> of the &longs;ame nature in every kind of Ve&longs;&longs;el by us artificially com­
<lb/> po&longs;ed, in which the &longs;ame effects are ob&longs;erved naturally to fol­
<lb/> low upon our moving it unevenly, that is, one while fa&longs;ter, and
<lb/> another while &longs;lower.</s></p>
<p type="margin"><s><margin.target id="marg769"></margin.target><emph type="italics"/>Why in narrow
<lb/> places the cour&longs;e
<lb/> of the waters is
<lb/> more &longs;wift than in
<lb/> larger.<emph.end type="italics"/></s></p>
<p type="main"><s>Moreover, con&longs;idering in the fifth place, that the &longs;ame
<lb/> quantity of Water being moved, though but gently, in a &longs;patious
<lb/> Channel, comming afterwards to go through a narrow pa&longs;&longs;age,
<lb/> will of nece&longs;&longs;ity run, with great violence, we &longs;hall not finde it hard
<lb/> to comprehend the cau&longs;e of the great Currents that are made
<lb/> in the narrow Channel that &longs;eparateth <emph type="italics"/>Calabria<emph.end type="italics"/> from <emph type="italics"/>Sicilia:<emph.end type="italics"/>
<lb/> for that all the Water that, by the &longs;paciou&longs;ne&longs;&longs;e of the I&longs;le,
<lb/> and by the <emph type="italics"/>Ionick<emph.end type="italics"/> Gulph, happens to be pent in the Ea&longs;tern
<lb/> part of the Sea, though it do in that, by rea&longs;on of its largene&longs;s,
<lb/> gently de&longs;cend towards the We&longs;t, yet neverthele&longs;&longs;e, in that it
<lb/> is pent up in the <emph type="italics"/>Bo&longs;phorus,<emph.end type="italics"/> it floweth with great violence be­
<lb/> tween <emph type="italics"/>Scilla<emph.end type="italics"/> and <emph type="italics"/>Caribdis,<emph.end type="italics"/> and maketh a great agitation. </s><s>Like to
<lb/> which, and much greater, is &longs;aid to be betwixt <emph type="italics"/>Africa<emph.end type="italics"/> and the
<lb/> great I&longs;le of St. <emph type="italics"/>Lorenzo,<emph.end type="italics"/> where the Waters of the two va&longs;t
<lb/> Seas, <emph type="italics"/>Indian<emph.end type="italics"/> and <emph type="italics"/>Ethiopick,<emph.end type="italics"/> that lie round it, mu&longs;t needs be
<lb/> &longs;traightned into a le&longs;&longs;e Channel between the &longs;aid I&longs;le and the
<lb/> <emph type="italics"/>Ethiopian<emph.end type="italics"/> Coa&longs;t. </s><s>And the Currents mu&longs;t needs be very great
<lb/> in the Straights of <emph type="italics"/>Magellanes,<emph.end type="italics"/> which joyne together the
<lb/> va&longs;t Oceans of <emph type="italics"/>Ethiopia,<emph.end type="italics"/> and <emph type="italics"/>Del Zur,<emph.end type="italics"/> called al&longs;o the <emph type="italics"/>Pacifick<emph.end type="italics"/>
<lb/> Sea.</s></p>
<p type="margin"><s><margin.target id="marg770"></margin.target><emph type="italics"/>A di&longs;cu&longs;&longs;ion of
<lb/> &longs;ome more ab&longs;tru&longs;e
<lb/> accidents ob&longs;erved
<lb/> in the ebbing and
<lb/> flowing.<emph.end type="italics"/></s></p>
<p type="main"><s>It follows now, in the &longs;ixth place, that to render a rea&longs;on of
<lb/> &longs;ome more ab&longs;tru&longs;e and incredible accidents, which are ob&longs;er­
<lb/> ved upon this occa&longs;ion, we make a con&longs;iderable reflection upon
<lb/> the two principal cau&longs;es of ebbings and flowings, afterwards
<lb/> compounding and mixing them together. </s><s>The fir&longs;t and &longs;imple&longs;t
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