Lobo 



scattered filth over them to express his utter 

 contempt for my devices. After this he left 

 my drag and went about his business with the 

 pack he guarded so effectively. 



This is only one of many similar experiences 

 which convinced me that poison would never 

 avail to destroy this robber, and though I con- 

 tinued to use it while awaiting the arrival of 

 the traps, it was only because it was meanwhile 

 a sure means of killing many prairie wolves and 

 other destructive vermin. 



About this time there came under my obser- 

 vation an incident that will illustrate Lobo's 

 diabolic cunning. These wolves had at least 

 one pursuit which was merely an amusement, it 

 was stampeding and killing sheep, though they 

 rarely ate them. The sheep are usually kept in 

 flocks of from one thousand to three thousand 

 under one or more shepherds. At night they 

 are gathered in the most sheltered place avail- 

 able, and a herdsman sleeps on each side of the 

 flock to give additional protection. Sheep are 

 such senseless creatures that they are liable to 

 be stampeded by the veriest trifle, but they 

 have deeply ingrained in their nature one, and 



35 



