no 



ANNUAL REPORT SMITHSONIAN INSTITUTION, 1934 



might arise. Fortunately, their skill in this direction was never 

 seriously tested ; except for one or two minor mishaps, all of us kept 

 good health and fitness throughout our stay in Canada. 



Sailing from Southampton to Montreal about the middle of May 

 1932, we journeyed by Canadian National Railways to Edmonton 

 in Alberta, and thence north for 300 miles to MacMurray, the end 



PRINCIPAL STATIONS a«oono tmc NORTH POLAR CAP ^ 

 FUNCTIONING ourinc 1932-3. 



^ 



FionKH 1. — Distribution of main observing stations around the Nortli Polar Cap. The 

 dotted line indicates the supposed position of the zone of maximum auroral frequency 

 deduced from observations before the Second Polar Year. 



of the once-weekly railway service, and starting point of the river 

 and lake transport of the Hudson's Bay Co., used for distributing 

 stores to its trading stations in the Mackenzie River district of 

 northwest Canada. In the shallow-draft, stern-wheeled boat, 

 Northern Echo, we chugged our way northward down the river 

 Athabaska, across the lake of that name, and then down the Slave 

 River till we came to Fort Fitzgerald, where 16 miles of rapids 

 make the river impassable. Our freight, comprising 16 tons of 



