(i6o) 
The Semd, confiders the Figure of 5;;w, moflly found 
Uexagoml , though fometimes Fentagoml^ and by fome 
OStdgond, Compare herewith the Obfervations of Mr. 
H^ok in his Micrography , p. 88. 91 ; and thofe of Dr. 
Grevp in J}Zumb. 9 2. of thefe Trafts. 
T\\t7hird, about ,Pf?m, heefteems, not without caufe, 
to be of that iuiportance, that without a good Explicati- 
on of then-i both Phyfickand Pbyfiology is very lame. Of 
which Argument we hope the Cunous will flbortly fee a 
more particular Account from the Honorable Robert BojfU, 
who juftly affirms, that from Pores, Figures, Effluviums, 
and the Languid Motions of Bodies, depend the Reafons 
of all thofe Qualities which the lazy Philofophy is wont to 
cdllOccuU. 
The Foffrth is of jfttraBion^ concerning which he main- 
tains^ that all thofe EfTefts, which the Vulgar adfcribes to 
it, belong to J?/^/^i?;? 5 anfwering fuch Obfervations,as feem 
topkdidfov Jttraitm. 
Touching the Fifih , having declared the Ptrifatetick 
Philofophy to be precarious, unintelligible and ufelefs, 
by reafon of its Three infignificant Principles, he judgeth 
the Cartefmn to be fueh, as proceeds upon Hyfothefes , 
that aflTume nothing but what is confonant to the Nature of 
things, and comprobated by Experiments. 
In the Sixths he much commends the Ufefulnefs of Ex- 
ferments y judicioufly and carefully made$ and withal 
warns Experimenters not to be too hafty in concluding 
from a fmall and incompetent number of Tryals. 
The 
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