BACTERIA, YEASTS, AND MOLDS 

 IN THE HOME 



By H. W. CONN, Ph.D. 

 TEIKD REVISED EDITION 



Revised by HAROLD J. CONN, Soil Bacteriologist, 

 New York Agricultural Experiment Station 



GINN AND COMPANY 



BOSTON • NEW YORK • CHICAGO • LONDON 

 ATLANTA • DALLAS • COLUMBUS • SAN FRANCISCO 



