487 



the autumn months the relative frequency of winds from the west of north suggests that the effect of the 

 warmer months of summer is prolonged in some degree into the autumn. 



The changes are, however, all small, and in no season is the outstanding predominance of the easterly 

 current destroyed or indeed greatly modified. 



Another very remarkable feature of the South Polar wind which Table I. exhibits is the great frequency 

 of calms and light airs. The smallest percentage of calms in any month was 13 per cent, in August, 1902, 

 and the greatest 41 per cent, in July, 1903, both of them winter months; for the entire period calms 

 averaged 23 per cent, of all the observations. Table III. gives 24 per cent, as the mean percentage of 

 calms for all the winter months, and the same figure for all the equinoctial months combined, but in the 

 summer months the percentage fell to 20 per cent. 



TABLE III. Seasonal Distribution of Wind Direction under Sixteen Points. 



At this point it is important to consider what effect, if any, the land surrounding the ship in her Winter 

 Quarters could have had upon the direction of the winds experienced there. 



From the description of the position already given it will be realized that the directions towards which 



