36 THE JOLA OR DECCAN GRASSHOPPER 
The bagging operations were carried out over a total 
area of about three hundred and twenty acres(see Map, T'ext- 
fig. 8). Although the work was not so thoroughly done on 
the rest of the area, a comparison of those parts where the 
least satisfactory results were obtained with a similar area 
untreated showed that, even in this case, the bagging had 
been decidedly profitable. The photographic plates at the 





Voy | 
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VLA YNBAGGED AREA 
BAGGED AREA 
(same) AREA UNDER COTION CHILLIES ETC 
LIGHTLY OR NOT AT ALL ATTACKED 
TEXT-FIG. 8. 
Map of area in the villages of Hole-Madhapur and Devanayakanhalli on which bag- 
ging operations were carried out during the summer of 1910. The number of times 
bagging was done on the various portions could not be shown. The map was prepared 
p I prep 
from a sketch made by Agricultural Inspector B. C. Shantappa. 
end of the text serve to illustrate the effect of bagging. 
Plate V, Fig. 1 shows part of a jola field in Devanayakan- 
halli where the attack was very severe and where 
nothing whatever was done to combat the pest. The 
stalks have been practically denuded of leaves, only the 
stiff midribs remaining. Practically no grain has been 
left in the heads and the crop is not worth harvesting 
