Printed by _J. Cadwell_ for _J. Crooke_, and are to be Sold at the
_Ship_ in St. _Paul's_ Church-Yard.
_MDCLXI._
CONTENTS
A Praeface Introductory
Physiological Considerations
The First Part
The Second Part
The Third Part
The Fourth Part
The Fifth Part
The Sixth Part
The Conclusion
Printer's Note
Errata
A
PRAEFACE
INTRODUCTORY
_To the following Treatise._
_To give the Reader an account, Why the following Treatise is suffer'd
to pass abroad so maim'd and imperfect, I must inform him that 'tis
now long since, that to gratify an ingenious Gentleman, I set down
some of the Reasons that kept me from fully acquiescing either in the
Peripatetical, or in the Chymical Doctrine, of the Material Principles
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