145.
The _Burning_ Concave of _M. de Vilette_ in _Lyons_, burning and
melting any matter (very few excepted.) What, and How, and at what
distance. The proportion; and compared with other rare burning
Concaves, 6. 96.

C.

In _China_ very ancient Books found of the nature and vertues of Herbs,
Trees and Stones, 14. 249.
The Root _there_ called _Genseng_, very restorative and cordial,
recovering agonizing persons, sold there each pound for three
pounds of silver, 14. 249.

_China_ Dishes how made there, _ibid._
A way found in _Europe_ to make _China_-Dishes, 7. 127.

_Chymists_ in _China_ pretend to make Gold, and promise Immortality, 14.
249.

_Cold_, see M. _Boyles_ History, abbrev. More Inquiries, and some answers
touching _Cold_, 19. 344.
How _Cold_ may be produced in hottest Summers by _Sal Armoniack_,
discovered by M. _Boyle_, 15. 255.
Some suggestions see remedies against _Cold_, by D. _Beale_, 21. 379.

_Comets._ The motions of the Comet of _Decemb._ 1664. predicted, 1. 3.
_Cassini_ concurs; 2. 17.
_Auzout_, who first predicted the motion, reflects upon _Cassini_, 2.
18. and predicts the motions of the second Comet of _March, April_
1665. n. 3. 36.

Controversies and Discourses, some at large, concerning _Comets_, n. 1.
p. 3. n. 2. p. 17, 18. n. 3. p. 36. n. 6. p. 104. n. 9. p. 150. n.
17. p. 301.
Many considerables abbreviated, n. 6. p. 104. n. 17. p. 301.

D.

_Damps_ in Mines pernicious, 3. 44. and how killing, _ibid._

_Directions_ for Seamen bound for far Voyages, by M. _Rook_, 8. 140.
Mr. _Boyles_ Inquiries, 18. 315.

Philosophical _Directions_ or Inquiries for such as Travel into _Turky_,
20. 360.

_Directions_, or general Heads for a natural History of a Countrey, by M.
_Boyle_, 11. 186.

_Directions_ or Inquiries concerning _Mines_, by the same, 19. 330.

_Diamonds_ where, and how the fairest are discover'd, 18. 327.

E.

The _Earthquake_ about _Oxford_, Anno 1665. described by D. _Wallis_, 10.
181.
by M. _Boyle_, 11. 179. noting the Concomitants thereof by _Baroscope_
and _Thermometer_.

The _Earth_'s Diurnal motion prov'd by the motion of the Comets, 1. 6. &
7.
especially by the slow motion of the second Comet, 3. 39.
See M.