Mosses with a Hand=Lens, 



By DR. A. J. GROUT. 



It makes the mosses as easy to study as the flowering plants. Eight 

 full-page plates and ninety figures in the text. fl.lO postpaid. Send 

 for sample pages to 



O. T. LOUIS, 



59 FIFTH AVENUE. NEW YORK CITY. 



PLANT STUDY. 



Plant Material for Classes 



Books, Journals and Pamphlets 



Microscopes and Lenses 

 Materials for Collecting and Preserving 

 Specimens. 



Cambridge Botanical Supply Co., 



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 Everything useful to Botanists. 



100,000 Natural History Specimens 



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GLASS EYES, BIRD SKINS. 



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