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Chestnut live showing .miI> sm^.' ni (lisra^i' : iKilc small girdled twifr uii upinT part 

 ol' the tree in the centre of the picture. 



Large chestnut tree partly dead. Note sprouts with leaves near the top, the 

 dwarfed leaves on the middle riirht-hand limh, and the healthy lower branches with 

 normal leaves. Scene at Itawlinsville, Penna. — I'hotofjraph by Prof. Collins. 



