20 INSECTS INJURIOUS IN 1902. 
were legion, and although the hopper-dozers were run back and 
forth over the grain all day and day after day, and bushels of 






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Young grasshoppers gathering by the thousands on the front of an 
unfinished store in the Hill River District on a rainy day. 
Fig. 13.— 
oily corpses dumped upon the road, the pests appeared to be al- 
most as numerous after treatment as before. 
