688 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



petroleum as for rnites, is said to be more effective and satisfac- 

 tory as a means of* control than destruction of the pests once 

 they are established. Proper sanitary and local quarantine meas- 

 ures should be devised for this purpose, the object in general 

 being to start business in uninfested quarters and by rigid inspec- 

 tion and quarantine, to keep out all infested fowls. 



