49 



1927 (see figs. 13 to 18, inclusive), will give the reader a pretty fair 

 picture of events leading up to the ice season of 1927. It is plain to 



Fig. 16. — January, 1927, anomaly of atmospheric pressure. Conditions 

 when reflected the fallowing spring indicate more ice than normal 



see, for example, that during October, 1926, meteorological condi- 

 tions were less favorable than they usually are for Arctic ice to drift 

 southward into the Atlantic. December, 1926, the winds were more 



Fig. 17.— February, 1927, anomaly of atmospheric pressure. Conditions 

 when reflected the following spring indicate more ice than normal 



or less neutral, but November, January, February, and March were 

 more favorable than ordinarily to a greater abundance of ice appearing 

 in the spring of 1927 than is normal. 



