MINUTE MARVELS OF 

 NATURE 



BEING SOMF: revelations Or 

 THE MICROSCOPE 



KXIIIBITKl) \'.\ I'II()'|-(I-MICI«)(;RAP1IS TAKKiX 

 i;V Till-; AUTIK )K 



JOHN J. WARD 



NEW Y(JRK 

 T. Y. C R () W E L L AND C O 



I'll I-: L ISH K RS 

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