flight and day, when it fio^e fo hard that the Sap congealed 
asfaftas itilTuedour. The Cold remitting , tht Birches bled 
afrelh 5 the Sjcmms abated very much , atid the Walnuc-trees 
tjuice ceafed, 
12. Wc pierced two Sycamores on the N^rth md Smthpdes^ 
and both of them fromcqudl incifionsbled a greaft deale faC- 
ter from the North-Cid^s^ thm thQ South ^ which Is confonanc 
to the preceding Experiment. . 
13. Wefetfeveral Willom with the wrong endsdownward^^ 
and cut off feveral Bryars ^ that had taken root at the fmall 
ends. This 2pth ofMay the Wi/iom have (hot out Branches 
neare two foot long 5 and from the top of the Sets , wHich were 
a yard high, the Bryars have alfo grown backwards from that 
part, which we left remaining to the roots at the leffer endsi 
chey have great leaves and are ready to flower^ 
jin Extract of a Letter 
%4fely Written iy Dr Edward Browne to the PMJher } 
concerning Dim'psin the Mines of lim^2i:y and their 
BjfecPs. 
Slr^Iiaving been lately in the Copperas ilver^and Gold-mlnes 
in Hungary , I hope ere long to give you a particular account 
thereof 5 prefenting this in the mean time concerning Damp in 
thefe Mines5 whereof I underftand , that they happsn in moft 
of them 3 that are deep > and that they happen not only in the 
C^i?»/>«/^* or dire(S paffages 3 where they walk on Horizontally 
(by thefe Mine-men C2\\d StolUn)hx}Li alfo in the f/^^d or Per- 
pendicular Cutts or Defcents ( term'd S^haehts by the fame.) 
They arc met with not only in places , where the Earth is fall 
of Clay orthelikefubflances , but alfo where it is Rocky : and 
one place they Ihew'd me in the Copper -mine at Hern-groundt^ 
\vhere there had been a very pernicious damp, and yet the Rock 
fo hard , that it could not be broken by their Inftruments 5 but 
the defcent was all made by the means of Gun-powder, ram'd 
into long round holes in the Rock , and fo blowne up. Ano- 
ther place they fhow'd me 3 where there is fometimes adamp, 
andfometimes clear weather^ When there is much water in 
