INSTINCT OF DOGS. 185 



game before reaching the sea, he darted off at full speed, rarely 

 miscalculating distance. If the seal was half grown, the dog 

 was often unable to detain it ; but a very young one seldom 

 pulled him to the water, until the keeper came up and knocked 

 it on the head. Eoss told me he had run down three of these 

 in one day. 



