10 



is, at least, about the only step which presents any practical possibili- 

 ties for the great grazing districts of the West and Southwest. 



As a rule, the application of these remedies will necessitate means 

 of bringing the animals into close quarters in small pens, and is neces- 

 sarily attended with some expense and considerable labor. 



C. L. Marlatt, 

 First Assistant Entomologist. 

 Approved : 



James Wilson, 



Secretary. 



Washington, D. C, July 19, 1897. 



O 



