ings, Rivers, Lakes; various
differences and qualities of Waters, and the marks where they are to be met
with under Ground; of Waters _Medical_, hot Baths, and their Differences,
Causes, Virtues; together with the Wonderful Qualities and Proprieties of
some Springs, as to their Colour, Taste, Smell, Weight, Salubrity, Flux and
reflux, Petrifying power, &c.

In the _sixth_: Of the _Earth_ it self, and the great variety contained in
the Womb thereof; of the manifold Productions {111} made therein, by the
virtue of Salt and its Auxiliaries, the differences whereof are largly
discoursed of, together with the way of extracting the same. In particular
of _Saltpetre_, its Generation, Nature, Virtues; of the way of making
_Gunpowder_, and the various uses thereof, as also the Nature, Qualities,
Preparation, Medicinal and other uses of _Alume_ and _Vitriol_.

In the _Seventh_: Of some _Fossils_, as Sand, Gravel, Earths, and their
various Differences, Qualities, uses Economical, Chymical, Medical:
together with the strange varieties & changes happening in the Earth, and
their causes; as also the requisits to _Agriculture_.

In the _eight_: First, of _Stones_, their Origine, Concretion, difference
of Colours; and in particular, of _Gems_ and their variety, causes of
generation, transparency in some and colours in others; as also of their
various Figures and Pictures by Nature framed both in common and precious
Stones, with their Causes. Secondly, of the Transformation of Juices,
Salts, Plants, yea of Beasts and Men turn'd into Stone: together with the
generation of Bony Substances under ground, by many esteemed to be the
Bones of _Gyants_; and of _Horny_ Substances, taken for _Unicorns_ horns:
as also of _Fossile wood_ and _Coals_, Thirdly, of _Bituminous Flowers,
lapis Asbestos, Amber_, and its _Electrical_ virtue; together with the way
how Insects, little Fishes, and Plants are Intombed therein. Fourthly; of
Subterraneous _Animals_, Moles, Mice, Birds, Dragons; where is also
treated, of those Animals that are found in the midst of Stones.

In the _ninth_; First, of Poysons, their primeval Origine from Minerals,
and their accidental Generation in Vegetable and Animal Bodies, together
with their differences; where 'tis discoursed, not only how Poysons may be
bred in Men, but also, how the Poyfons of some Animals do infect and kill
Men; and, where the Venom of Vipers lodges, and how mad _Dogs_ and
_Tarantula's_ so communicate the