WIOUI Upwsis JO YOM suyMous ΝΟ AO UVA—'GG OM 
(᾿ΑΘΙΤῊ 194} 
INSEOTS. 145 
be repeated as soon as Hew 
moths appear. The bisul- 
phide of carbon is very in- 
flammable, as well as 
poisonous, so great care 
should be taken not to ex- 
pose a fire to the fumes. 
Being heavier than air, the 
fumes will sink down 
through a pile of corn. 
The fumes of this gas would 
also destroy other insects 
injurious to stored grain, 
including the grain or barn 
weevil, and the grain Syl- 
vanus, both of which are 
commoninthe South. Ac- 
cording to Webster the 
worms are destroyed ata 
temperature of 120 deg. 
F., for four hours, so if 
means can be obtained by 
which to heat the ears to 
this degree a very desir- 
able thing will be accom- 
plished. 
Other Insects.—W hile 
ὁ there are numerous other 
ἡ insects which injure corn, 
they do it to so small an 
10 
