TO

Sir HANS SLOANE, Bar^t.
PRESIDENT,

AND TO THE

COUNCIL and FELLOWS

OF THE

ROYAL SOCIETY

Of LONDON, for

Improving Natural Knowledge,

This Thirty-sixth Volume of

Philosophical Transactions

is humbly Dedicated

BY

Their most Devoted,
⁠And most Obliged Servant,

Cromwell Mortimer, R.S. Secr.