<p type="head"> <s>To the Mo&longs;t <lb/>
Reverend Father <lb/>
SEBASTIANO FANTONI, <lb/>
<emph type="italics"/>General of the Order of<emph.end type="italics"/><lb/>
CARMELITES.</s></p>

<p type="main"> <s>In obedience to the command of the No&shy;<lb/>
ble <emph type="italics"/>Signore Vincenzo Carraffa,<emph.end type="italics"/> a Neapo&shy;<lb/>
litan, and Knight of S. <emph type="italics"/>John of Jeru&shy;<lb/>
&longs;alem,<emph.end type="italics"/> (a per&longs;on, to &longs;peak the truth, of <lb/>
&longs;o great Merit, that in him Nobility of <lb/>
Birth, Affability of Manners, Univer&longs;al <lb/>
knowledge of Arts and things, Piety <lb/>
and Vertue do all contend for prehemi&shy;<lb/>
nence) I re&longs;olved with my &longs;elf to un&shy;<lb/>
dertake the Defence of the Writings of the New, or rather Re&shy;<lb/>
newed, and from the Du&longs;t of Oblivion (in which it hath long <lb/>
lain hid) lately Revived Opinion, <emph type="italics"/>Of the Mobility of the Earth, <lb/>
and Stability of the Sun,<emph.end type="italics"/> in times pa&longs;t found out fir&longs;t by <emph type="italics"/>Pytha&shy;<lb/>
goras,<emph.end type="italics"/> and at la&longs;t reduced into Practice by <emph type="italics"/>Copernicus<emph.end type="italics"/>; who like&shy;<lb/>
wi&longs;e hath deduced the Po&longs;ition of the Sy&longs;teme and Con&longs;titution <lb/>
of the World and its parts from that Hypothe&longs;is: on which <lb/>
Subject I have formerly writ to You, Mo&longs;t Reverend Sir: But <lb/>
in regard I am bound for <emph type="italics"/>Rome<emph.end type="italics"/> to preach there by your Com&shy;<lb/>
mand; and &longs;ince this Speculation may &longs;eem more proper for a&shy;<lb/>
nother Treati&longs;e, to wit, a Volume of <emph type="italics"/>Co&longs;mography,<emph.end type="italics"/> which I am <lb/>
in hand with, and which I am daily bu&longs;ie about, that it may <lb/>
come forth in company with my <emph type="italics"/>Compendium of the Liberal Arts,<emph.end type="italics"/><lb/>
which I have already fini&longs;hed, rather than now to di&longs;cu&longs;s it by it <lb/>
&longs;elf, I thought to forbear, imparting what I have done for the <lb/>
pre&longs;ent; Yet I was de&longs;irous to give, in the mean time, a brief ac&shy;<lb/>
count of this my Determination, and to &longs;hew You, Mo&longs;t Reve&shy;<lb/>
rend Father, (to whom I owe all my indeavours, and my very <lb/>
&longs;elf) the Foundations on which this Opinion may be grounded, <lb/>
lea&longs;t, whil&longs;t otherwi&longs;e it is favoured with much probability, it be <lb/>
found in reality to be extreamly repugnant (as at fir&longs;t &longs;ight it