40 BULLETIN 124, U. S. DEPARTMENT OF AGRICULTURE. 
should then be thoroughly irrigated, and by these efforts the coming- 
crop will be assured. 
Turkeys and chickens when allowed the run of a field will keep 
the numbers of the caterpillars at a minimum. 
The protection of toads should be encouraged, as they eat many of 
these insects, as well as other injurious forms. 
It has been noted that a carrying out of only part of these recom- 
mendations will not at all times save one's crop. The best results 
come to the one who is thorough in methods. 
Cooperation among all farmers is necessary to suppress an insect 
attack completely. An occasional outbreak has been known to occur 
upon a farm or ranch that is under the best possible condition of 
crop culture, but in each case it was noted that the careless methods 
of a neighbor were responsible for the reinfestation. 
ADDITIONAL COPIES 
OF THIS PUBLICATION MAY BE PROCURED FROM 
THE SUPERINTENDENT OF DOCUMENTS 
GOVERNMENT PRINTING OFFICE 
"WASHINGTON, D. C. 
AT 
10 CENTS PER COPY 
