The Decay of Ties in Storage 



By C. J. HUMPHREY, Pathologist 



BUREAU or PLANT INDUSTRY 



MADISON, WISCONSIN 



Prepared in co-operation with the 

 UNITED STATES FOREST PRODUCTS LABORATORY 

 MADISON, WISCONSIN 



Published by the 



AMERICAN WOOD- PRESERVERS' ASSOCIATION 

 Mt. Royal Station, Baltimore, Md. 



