NO. 17.] 



WIND. 



279 



Mnt 



Noon 



Mnt. 



\ 



Dark Season. 



Sunny Season. 



, I 



Equinoctial Months. 



they were blowing over a homogeneous flat surface and far from any elevations 

 or open seas. The tables given and the results which I have set forth may, I 

 hope, be of value in a thorough discussion of the subject. The different direction 

 of the shifting of the wind in the dark and in the sunny season, seems to be of 

 importance for the solution of the problem. 



WIND-DIRECTION. ANNUAL PERIOD. 



The following Table gives the number of observed winds referred to 16 points 

 of the compass, true direction, the number of calms noted, and the sum of the 

 observations made, for each month of the voyage of the Fram from the 1st 

 October, 1893, to the 19th August, 1896. The maxima and minima are dis- 

 tinguished by heavier type. 



