IXFIXENCE OF PRECIPITATION. 
;r 
tlius =.. showing that the rain came too late in such a section to ward 
oft' an outbreak of the pest. 
According to the Weather Bureau reports also, the distribution of 
rain in May, 1807, differed materially from that of the same month of 
LS90, in that in 18 ( .)7 the major portion of the rain fell prior to the L5th, 
the remainder of the month being rather dry. the only general precipi- 
tation occurring on the 23d and 24th, with a much lighter rain on the 
Chinch Bug 
g^Areas infested §§§f Greatly infeste 
l'l'.. 1".— Map showing distribution of chinch bug in Ohio in 1895, and amount of precipitation over 
the State during May of the same year (author's illustration. | 
28th. But here again the amount was insufficient to ward off serious 
injury, as is indicated by map fig. 8), the same symbols being used here 
as before. In this case it was probably the latter portion of the brood 
that survived, as a personal inspection of the country early in the 
month failed to reveal the presence of young bugs, though they were 
certainly present in abundance at a corresponding period of the pre- 
ceding year. 
