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"The heavens declare the glory of God; and the firmament sheweth his handywork."

Psalm xix. I.

Oxford:

AT THE CLARENDON PRESS,

M.DCCC.LXVII.

SIR JOHN SOMERSET PAKINGTON, BART., G.C.B., M.P.,

ETC., ETC., ETC.,

TO WHOM HAS BEEN CONFIDED, BY HIS SOVEREIGN, THE ADMINISTRATION OF THAT SERVICE WHICH, WHILST

IT IS THE PRIDE OF EVERY PATRIOTIC

ENGLISHMAN, IS ESPECIALLY ASSOCIATED

WITH THE SCIENCE OF WHICH

THIS VOLUME TREATS.