146 GEOGRAPHY. 



cold about lat. 80 N., and 95 E. and 100 W. long., 

 possibly coinciding with the two magnetic poles. 



In Peru, the line of perpetual snow is about 14,000 

 feet above the level of the sea. 



Dryness of High Latitudes. 



So small is the quantity of moisture in the atmos- 

 phere of high latitudes, that it scarcely ever rains. 

 No snow fell at Melville island during a whole win- 

 ter, and the spiculae that floated in the air, lay on the 

 ground not more than a few inches deep. 



The North Pole. 



An author of reputation says, " We verily believe 

 that, at the pole itself, neither wind, tide, snow, thun- 

 der, or lightning, will be found to exist, or if any, in 

 the smallest possible degree." 



