16 



further investigation. At present it appears to be following the 

 coast. On woodland in several localities in Pennsylvania its existence 

 can be shown, yet it can not at present be considered a discouraging 

 menace. On the other hand should the disease spread from tree to 

 tree as is now the case in certain localities in New York and New 

 Jersey, every available measure should be adopted to prevent the 

 propagation of spores by cutting the trees and burning all infected 

 bark. 



