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of good Learniflgand Antiquity, and fee, among many other par* 
ucwhrSythdLiPythagoras^ohQ, of the beft and nioft folid Philorophers 
and Mathematicians among the Antients , learn'd his Philofopby if* 
(iMgypt ; rhat the great workofTranfmutation is due co this Her^. 
mes^ that from thence the Egyptians acquired chat immente wealth, 
whereby they ralfed fuch vaft ftrudluresjthat thofe ^Egyptians were 
fo skilful in making artificial Gemms^as that in iuftre and bardnefs 
. they vyed with the true natural ones i thofe ancient Artifls being 
niifters of three things in this their work, which by the Grecims 
were called, *e^i<»5-/^,/2«?H, 5i4<r5thejfr/? implying a laxity of pores, 
fufficiently to imbibe the tinfture; zhtfeco^d.d ftrongadhaefionard 
due luilre of the color ; the//?/W, a hardning again of the body of 
the gemm, after the ingrefsof the tinfture. Where our Author tates 
occafion to alledge a palTagein Kaymu^d LuUe his TcJImUM Begein 
Anglu about a real change of Cry (la! into a very Adamanfin mafs ; 
Vidtfii (faith he) Rex^mirMemillamproje^iomm^ quam feci tecum 
Londinijn camera tm fecreta S,Catharin<e,verfus piirtem CaJleUi^ju- 
fer Cryjlallum folutum cum aqm argent i vhi, coftverti eum inmaf- 
fam unam Adammtis fimjjimiy & virtuoji^plufyuam mtHrdis^ ex quo 
fecijii columnulas fro taUrmculo Dei. 
He cakes alfo notice of another particular, ftri(3:ly obferved a- 
mong theo'd ^Egyptians, which is, That each of their Phyficians ap- 
plyed himfelf-to the knov/ledge and cure of one only Difeafe,where- 
by he became very fagacious and expert in recovering his Patients 
of fucha malady ; which way could not but conduce very much to. 
the improvement of Phy fick^and the benefit of the peop'e. 
Nor does he pafs by,that the moft celebrated Men oUGreece tra- 
velled moz/Egyft to acquire acknowledge,and gained fo confide- 
rab'e advantage of their travels^as anf\'.er*d their expeflation. 
And whereas Comingitu tells us of his own thorow-infight in the- 
manifold learning and knowledge of the Grecians^ and admires ti e 
fame above that of other Nations, challenging our Author t(3 fhevv- 
any thing among the c^^^^/^^i^i^i like that of Arijlotle's Hiflory of 
Animals of liheophrajimoi Plants, of and Archimedes in Ma- 
thematick5,of Ptolemy in Jfirenomyfii Hippocrates and Galen in Phy- 
fick : Whereas, 1 fay, C(?;^r/>?g/>i does this, our Author fcruples not 
to reply; i.That. without detrafting any thing from the Grecians,- . 
if we fliould fit down and acquiefcein what the Greeks have deli- 
ver'd to us, the knowledge of Nature and the skill of Phyfick would 
te very imperfeft and lame. 2, That, v^^^/^f?^/^ hath erred grofly in 
many) 
