June 



ative. They seem to steal away mysteriously. 

 One day you see several specimens of a kind 

 here and there, and the next day, not finding 

 any, you suppose that you have overlooked 

 them ; but on the third day you discover none, 

 nor on the fourth, and then, if it is late in the 

 season, you conclude they have gone and left 

 no sign. After all, is not this a pleasanter 

 way to take leave of a friend, than to be con- 

 scious that you are seeing him for the last time ? 



189 



