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A Grand Educniof. 



Siii'crsfior of the 

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Ten years spent 

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Mveryhody 



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LIVING OBJECTS 

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A Library in Itself, it also gives 



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«& C. Merriata Co. 



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^"Do not bny cheap photo- 

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WEBSTER'S 



,lNTERMriONALj 



DICTIONMf, 



A vial containing a rich, clean 

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Closterium, JSarcina, Pinnula- 

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Others will be announced when 

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Alleghehy, Pa. 



THE FIELD & SCHOOL NATURALIST 



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MODERN MICROSCOPY. 



FOR BEGINNERS. 

 PART I. — The Microscope and Instructions for its use. 

 PART II. — Microscopic Objects: How prepared and mounted. 



By Cross and Cole. 

 LASGE OCTAVO, 104 PAGES, 30 FIGURES ; PRICE $1.25, POSTPAID. 



Address, Microscopical Publishing Company, 



Washington, D. C. 



Micr©B©©pieml Bpeei 



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