_Non possis oculo quantum contendere Linceus,
Non tamen idcirco contemnas Lippus inungi._ Horat. Ep. lib. 1.



[Illustration]

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LONDON, Printed by Jo. Martyn, and Ja. Allestry, Printers to the
ROYAL SOCIETY, and are to be sold at their Shop at the Bell in S.
Paul's Church-yard. M DC LX V.

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TO THE

KING.

SIR,

I Do here most humbly lay this _small_ Present at _Your Majesties_ Royal
feet. And though it comes accompany'd with two _disadvantages_, the
_meanness_ of the _Author_, and of the _Subject_; yet in both I am
_incouraged_ by the _greatness_ of your _Mercy_ and your _Knowledge_. By
the _one_ I am taught, that you can _forgive_ the most _presumptuous
Offendors_: And by the _other_, that you will not _esteem_ the least work
of _Nature_, or _Art_, unworthy your _Observation_. Amidst the many