GENERAL CIRCULATION OF THE ATMOSPHERE 275 



daily land and sea breezes are not usually felt far from shore, 

 and do not extend to great heights. Breezes corresponding to 

 land and sea breezes are often felt about large lakes. The 



Fig. 232. Fig. 233. 



Fig. 232. The isobars of India for January. (Bartholomew.) 

 Fig. 233. Figure showing the direction of winds in India in winter. (Kop- 



pen.) 



sea-breeze is of consequence, not only by lowering the temperature 

 of the land in hot weather, but by bringing pure air to the land. 

 This is of much importance along densely populated coasts. 





Fig. 234. Fig. 235. 



Fig. 234. The isobars of India for August. (Bartholomew.) 

 Fig. 235. The winds of India in midsummer. (Koppen.) 



India affords a good illustration of the monsoons. This coun- 

 try is in the latitude of the northern trades, where easterly (north- 

 easterly) winds should prevail. In Fig. 232 the gradient is from 



