up the water either fide of it—the cause of some springs, 100.
Why metallick Lodes may be rich or fteril near the Cross-Courfe,
which is another proof of the author's opinion of the origin of
Metals-Tin and Copper Lodes antecedent to Cross-Courses,
Mr. Whifton's hypothefis of the deluge by a comet ap-
plied as a probable caufe of Cross-Goffans, 102. their contents,
103. Of Lodes elbowing each other, 103. Of the branches,
ftrings, or small veins of Lodes-Lodes fqueezed small in hard
ground, 104. Of metallick Lodes contraing each other-Why
Tin Lodes were antecedent to parallel Goffan and Crofs-Goffan
Lodes, 105. The inclination or underlie of Lodes towards each
other, and the changes and diforders occafioned thereby-Of
two Lodes underlying both alike, 106. Of the Start, Leap,
or Heave, by a Slide or Courfe-Flookan; or the being
"out by a Slide”—Of the fame by a Courfe-Goffan - The
Heave and the Slide in proportion to the fubfidence, 106. This
Heave in Coal Mines, "A Trap up, or a Trap down, by a
The various, ancient, and modern Methods for Discovery of
Mines, &c. by Shoding, Cofteaning, &c. with several very
curious Difquifitions, Obfervations, and Experiments, upon
the Virtues and Ufes of the Virgula Divinatoria.
ASSAGE from Lucretius-The first discoverers of Metals,
Of accidental difcoveries-Fiery effluvia, 112. by
water, if Vitriolick, 113. Agricola upon the Virgula Divina-
toria, 113. The corpufcular philofophers account for its ope-
ration, 114. Some elucidations from Mr. Boyle, 115. Mr.
Cookworthy, of Plymouth, his curious observations, 116. Of
the occult quality in the operator-Hazle fhoots of one year,
beft, 117. Shape and fize-manner of holding the rod-the
mind must be indifferent, or the rod will not anfwer, 118.
Sweat and animal excretions hinder its operation-Of willow