To the Reader^ 
hdng Viov^ verj litle or no commerce he- 
tween the Engliili Book-fellers ^ md thofe 
of Italy, the conveyance of this Book^ {as tt 
doth of others x]\QtQ Printed) into England 
would prove very tardy ^ hut alfo conjider- 
ing-i that though within a reajonable time 
fome Copies of it fbouldcome over^yet there 
would not he enough of them, to ferve all 
forts of curious Englijh-Men, nor even that 
number of Englijh Readers verfed in the 
Latin Longue^ which this Conftdet able jyif 
■courfe is like to meet with, forafmuch as it 
gtveth very fair hopesyThat by a due weigh- 
mg of the particularSy therein laid downy 
the jagacious Inquireri into Nature may be 
much affifted to penetrate into the true knotb' 
ledge of one of the Great MaiTes of the 
World, the E ART Hy and therein to find 
out not only the Conftitution of the Whole, 
but alfo the feveral Changes, and the va¬ 
rious Pr odudhions made in the Parts there¬ 
of-, as the Excellent Robert Boyle hath of 
late Tears, with great Jeutenefs as well ds 
unwearied Indujlry, led us on a'greatwfy 
in the knowledge of another of the great 
Majfesy the IR •, though the fame alfo 
hath not been unmindful ^ con ft dering this 
very fubjebly here treated of^ forafmuch as 
■ lie. 
