T O T H E 
RIGHT HONOURABLE 
EARL of FERRERS, 
VISCOUNT TAMWORTH, 
FELLOW of the ROYAL SOCIETY, &c. 
MY LORD, 
IT COULD not hefitate a Moment on whom to fix as a Patron to 
this laft Part of my Work, when I confidered that I was obliged to 
your Lordfhip for a great Number of the moll rare, and not till now 
defcribed, Subjects contained in it; and without which I could not have 
finifhed it in any reafonable Time. This Part has almoft received its 
Being from a mod curious Parcel of Natural Subjects in high Prefer- 
vation, which fortunately fell into your Lordfhip’s Hands during the 
late War, which have been generoufly communicated to me; and, if 
* a I may 
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