C 7002 ) 
He concludes the whole with four Chapters 5 whereof the 
firfitveatsof the Pores and Figures of Volatil Salts, corrcf- 
ponding to thofe; of the Brain, Heart, Blood, Nerves : TheTS- 
rWcompares Volatil Salt with Qnickfilver, which betakes 
CO be octhiog elfe but a Volatil Salt: The tkird examins , 
whether Volatil Salts arc contained in Mixts aSiuallyox pom- 
tiallyi The /^?mi>inquireth,whcther all Volatil Sa^ts are of 
the fame kind^ 
So much of thit Jut hor iwhofe way not being here raade out 
and declared, we hope^ a Learned 904 very knowing Mem* 
ber of the R. Sockty, Do&ox Damkl(f^x0^ mil fliortly fupply 
the world with that defeftjhc being certainly and experimen- 
tally matter of a fure and eafy way of extrading the Volatil 
Salt out of all fort&of Plants* 
• - 
An Advertifement. 
Earing of great complaints of the Rot of Sheep in many 
parts of England'^ we thought,it would not be unwei- 
come to the Reader, to be, on fuch an occafion, direfted, for 
a good and cheap way of preventing thedifeaft,to what the 
Honourable Robtrt Bojile hath publiflitinhis fecond Tom of 
thsVjefulnefs of Natural PhilofophyjptMed at Oxford A.1671. 
p, 1 5. The fljort whereof is ; That a great Shecpmafter late- 
ly preferv'd his Flocks in a moift Country, when moft of his 
neighboursloft theirs J and that he did it by the bare ufe of 
[Spatiifi) Salt, of which each Sheep, being firft made to bleed 
a little under the Eye, was made to take downa fmall hand- 
ful, two or three times (with fome da^y* of interval,) without 
being fuffet'd for fome hours to drink any thiog after iu 
to DON J 
Printed for JoBn Jl£trty*i,PtiQtet to tha Royal Soeietf ,i6j^ 
