BULLETIN 828, U. S. DEPARTMENT OF AGRICULTURE. 



Percentage of Beetles 



oco o ^r co e>g 



o o 















\ 















1 

 col 















2 































































































No 



?y 





3 



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a 



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hi 



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s 



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1 



8 

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8 

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 « 



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.Rainfall (in Inches) 





9 













1 













8 























1 













D 













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* 













» 













t 











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<HHVy)3UniVU3diMH wnwiNiw = 

 (uhvj ) asm vx3dH3± wnvjixvy]-"' ■ •» ■ 



W\/8 30UN30iS3d AllQIHriH-— 





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