THOU MADEST HIM TO HAVE DOMINION OVER THE WORKS OF THY HANDS; THOU HAST PUT ALL THINGS UNDER HIS FEET.

PSALM VIII. 6.

OXFORD,

PRINTED BY S. COLLINGWOOD, PRINTER TO THE UNIVERSITY.

ΤΟ

HIS GRACE

THE

ARCHBISHOP OF CANTERBURY.

MY LORD,

HAVING been appointed to write the following Treatise by the late President of the Royal Society, in consequence of your Grace's recommendation, it was natural that I should be desirous of publickly acknowledging the high honour thus conferred upon me.

I therefore request you to accept my respectful thanks for permitting me to inscribe this Treatise with your Grace's name: assuring you that, however inadequately I may have been found to answer your expectation in the

execution, I have not applied myself to the task committed to me, without the exertion of much thought, and the strongest desire of so executing it, as to justify your Grace's favourable opinion.

I have the honour to be,