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© 



BACTERIA, YEASTS, AND MOLDS 



IN THE HOME 



A 



BY 



H^ W: CONN, Ph.D. 



Professor of Biology in Wkslevan University, Middi.etown, Conn. 



Author of "Agricultural Bacteriology," " Bacteria in 



Milk and its Products," "The Story of Germ 



Life," "The Method of Evolution," etc. 



Boston, U.S.A., and London 

 GINN & COMPANY, PUBLISHERS 



