Juae 12, 1916 



Bacterial Wilt of Ciicurbits 



421 



PERCENTAGE OF BEETLES (MAX.IOOJ^) 



^U3 O ^^ 00 CM (O 



00 do *o -^ CO — 



O ^ A CO r. 



RAIN FALL (In Inches). 



i 







Fig. I. — Comparison of the amount of wilt with striped-beetle prevalence and with meteorological 

 phenomena in three fields. East Marion, Long Island, N. Y., season of 1915. 



