854 PHYSICAL GEOGEAPHY OF THE SEA, AND ITS METEOROLOGY. 



* Setting in of the S.W. mousoon. t Ending of the S.W. monsoon. 



It appears from this table that betw^een Calcutta and the line 

 the S.W. monsoons are the prevailing winds for seven months, 

 the N.E. for five. 



690. Resorting to the graphic method of engraved squares for 



Diagram B. 

 Z!f 20" 15' 10° 5" ^0° 



20 



JS 



•3D 



