slightly Increasing rate year after year. The work of 

 thess beetles has been goinn on for a lon^ period; the 

 largo number of dead trees in all etngea of decay beare 

 evidence to this fact both in this and on other Founts. 

 The sudden realization of the extent of the darage In 

 this case is due in largo part to the preaenoe over the 

 Hayfork valley of the needle fungus, which created the 

 impression that the greater portion of the otand \?ao being 

 rapidly killed off by the same agencies that nere responsible 

 for the rreoent dead trees. 



i 

 J. D. Coffman. 



17. 



