moving about the easiest way, and protecting 

 his life. 



Early in October the first colony below the 

 Cascade had to leave the old home because of 

 the scarcity of water. There were seven or 

 eight of them, and all went down-stream and 

 joined another colony. From what I know of 

 the two colonies I judge that this was probably 

 a case of the old folks being forced to take refuge 

 with their fortunate children. Apparently they 

 were welcome. 



A few days later the lowest of the three colo- 

 nies on the Cascade streamlet was also aban- 

 doned. Two days before leaving home the bea- 

 ver had commenced to harvest aspen for winter 

 food. A few aspens were standing partly cut; 

 a number untrimmed were lying where they 

 fell; several had been dragged into the pond. 

 But suddenly the beaver deserted the place. 



The fifteen or sixteen in this colony went 

 down-stream and took possession of an old and 

 abandoned house and pond. They hastily re- 

 paired the dam and the house, and they had 

 only just begun to gather supplies for the win- 



251 



