THE WESTERN YELLOW PINE MISTLETOE, 



13 



Fig. s.-Volume-age curves shoeing the eflect of the four degrees of mistletoe infection onthe21-eoand 



61-100 year age classes. 



Age In^ Years 



FIG. 4._Volume^ge curves showing the effect of the diflerent degrees of mistletoe infection on the 101-140 

 and the 201-240 year age classes. 



