115 
eastern part, which is somewhat lower than the rest of the field. 
There had been a heavy rain September 4, and according to Mr. 
Wells a slight shower had fallen about September 11, followed by 
a heavy rain again cn the 16th. The east-central, southern, end 
southeastern parts of the field were rather weedy, and the corn 
had fallen here much more than elsewhere. The weeds, broken 
corn stalks, and leaves almost completely covered the surface of 
the ground, which was quite damp and rather sticky in such 
places. Chinch-bugs had collected here in considerable numbers, 
and whitened bodies covered with Sporotrichum were very con¬ 
spicuous behind leaf-sheaths, on the stubble, on the surface of 
the ground in the open field, under clods, bits of fallen leaves, 
sticks, and rubbish of all kinds; on the ground under weeds and 
grasses; in corn shocks, on the stalks, behind the leaves; and on 
the ground under the shocks. They were, in fact, generally dis¬ 
tributed throughout the field, being most abundant in those por¬ 
tions thickly covered with weeds, corn, etc., as indicated above. 
At a point, c, under a dense cluster of weeds where the ground 
was quite damp, Mr. Johnson collected 157 fungus-covered bugs 
from a surface area of two square feet; 68 were counted at d 
within a radius of ten inches, and 39 were found under a single 
shock at e. Similar examples were reported from all parts of the 
field. The great majority of the insects attacked by this fungus 
were adults, although several young of the first and second moults 
were seen. 
Live chinch-bugs were abundant throughout the stubble, and 
accumulated in great numbers in the shocks; but there was a gen¬ 
eral movement in all directions into adjoining meadows and pas¬ 
tures. The larger part were in the pupa stage, although all 
ages were seen, even those just emerged from the egg. 
No traces of the disease w’ere found at this time in the wheat 
stubble (A), and only an occasional bug dead with the fungus 
was seen in corn D. Seven wdiitened bodies were collected in the 
vicinity of f. The entire northwestern part of this field had been 
invaded by chinch-bugs from wheat A, and was seriously injured; 
other portions suffered less damage. 
In an eight-acre field of corn (F) to the north of D and east 
of B, the chinch-bug injury was very much more complete than 
in the latter, and about the same as in the former. Dead bugs 
covered with Sporotrichum were very numerous, being almost, if 
not quite, as abundant as in B. The corn had not been cut, and 
the diseased bugs were found behind leaf sheaths, under fallen 
stalks on the ground, around the hills and between the rows, and 
under clods, leaves, weeds, grasses, and other rubbish. Seventy- 
eight whitened bodies were counted on the ground under a single 
fallen stalk near the center of the field. Live bugs, mostly adults 
and pupae, were everywhere abundant, and completely blackened 
the corn in many places, especially through the central and east- 
central parts. According to Mr. Wells’s estimate, one-third of the 
entire field was completely ruined at this time. 
