(33 e ) 
of the Tree , hath contra&ed a petrfied Cruft , about the 
thicknefs of a Jhil/ing, all over the woody part within the Barks 
the Marks of the Axe allb remaining very conlpicuous, with this 
petrified cruft upon it. By what njeans it fhould thus happen , 
cannot well be conceived ., in regard there is no water neer it 5 
the part, above the ground and out of the weather 5 the Tree 
yet growing : unlefs being cut at feme fealbn,when the lap- was 
flowing 3 theowfingof the lap might become petrified by the 
Air 3 and the Tree grow rotten and hollow inward fince that 
time 5 which how long fince., is not known. 
A piece of that part cut , was prelented , together with this 
Account,, to the laid Society ^ for their Repofitory, 
Articles of Inquiries touching Mines. 
What the Honourable Robert Boyle gave the Reader caule to 
hope for, in Numb, 1 1. when he was pleafedto-impart thole Ge- 
neral Heads for a Natural Hiftory of a Country, there publiflfd} 
He is not un-mindful to perform , by enlarging them as occafion 
ferves,with P articular and Subordinate Inquiries. Here he grati- 
fies the Curious with a confiderable Set of Inquiries about 
Mines. .* which though -unfinilh’d, yet the Vublijher y was inftant 
to obtain their prelent Publication to the end, that he might the 
more conveniently recommend them to feveral.Forreigners of his 
Acquaintance , now ready to return to their leveral Country es, 
which he underftands to abound in Mines 5 and from the Curi- 
ous Inhabitants whereof, he expefts to receive a good Accompt 
upon lome at leaft of thele Inquiries 5 which allb by feveraf 
of them have been earneftly defined, as - Inftrudions , to dire<ft 
them , what Particulars to inquire after mpon this Subjeft. 
1 hefe Queries are reduced by the Author to fix Heads ; 
T hefirft^ The neighbouring Country about ihe Mines. 
The Jecond 0 The Soyl where the Mines are. 
The third. The Si gns of Mines. 
The fourth p The Structure and other particulars belonging to 
the Mines themfelves. 
The fifth , The Nature and Circumftances of the Ore. 
The fixth 5 the Reduction of the Ore into Metal. 
g>U(3ri s 
