DISEASES OF SPECIAL CHOPS 



73 



sections southwest of Virginia between the parallels of 35° 

 and 39° north latitude. In 1900 it was estimated that 



Fig. 24. — Bitter rot cankers in which perithecia were found. After Burrili. 



the loss in four counties of Illinois was $1,500,000. The 

 president of the National Apple Shippers Association esti- 



