1875 



DOG -DRIVERS. 



83 



without the aid of a friend enticing the dogs on with a 

 piece of meat. After struggling on for about half a 

 mile they invariably obtained their own way, dragging 

 their would-be-guiders through many water-pools in 

 spite of the frequent application of the long hide whip 

 which, in inexperienced hands, was more frequently 

 felt by the riders than the dogs. 



AMATEUR DOG-DRIVERS. 



A sounding was obtained in forty-six fathoms, hard 

 bottom ; the surface temperature was 32°, the minimum 

 temperature between the surface and the bottom being 

 29°*5. During the night, ice formed on all the water- 

 pools and remained unmelted in shady places during 

 the day. 



In high latitudes, during the summer, owing to the 

 height of the sun above the northern horizon, the 

 temperature does not fall much at midnight. Conse- 

 quently the young ice does not form so early in the 



G 2 



