T O T H E 
RIGHT HONOURABLE 
The Earl of Cardigan. 
My LORD, 
I S Grace the late Duke of 
Montagu, (whofeName muft 
be ever dear to all that knew him) was 
pleafed to honour, with his particular 
Notice, the Experiments and Gbferva^ 
i 
tionsdefcribedin the following Sheets, 
and frequently expreffed his Defire of 
having them made public : and as your 
Lordfhip feemed no lefs to admire 
thefe wonderful Operations of N ature, 
I take the Liberty to requeft your 
Acceptance of a Work, whole No,-* 
A 3 yelt 
