Here's the whole book.
Hooke's book begins with an apology to the King of England, for, well, discovering things.
Hooke's methods for immobilizing some of the insects he observed were creative:
...I gave it a Gill of Brandy, or Spirit of Wine, which after a while e'en knock'd him down dead drunk, so that he became moveless...
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| Hooke's engraving of a head of a hoverfly, from Micrographia |