AN

ESSAY

ON THE

PHILOSOPHY, &c.

OF

NATURAL HISTORY.

J. MOYES, PRINTER, Greville Street, Hatton Garden, London.

“ Happy the man, who, studying Nature's laws,
Through known effects can trace the secret cause."

DRYDEN'S Virgil.

LONDON:

PRINTED FOR WHITE, COCHRANE, AND CO.

FLEET STREET,

1813.