Montana Agricultural Coli^qe 

 •ExpEEiiMENT Station. 



B-. B. I^INIflBLD, Director. 



BULLETIN NO. 70 



The Douglas Spruce 

 Cone Moth. 



BY 



R. A. COOLEY, 



EntomologUt. 



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BOZEMAN. MONTANA 

 FEBRUARY, 1908 



