168 THE NORTH POLE 



Wesharkoopsee and Keshungwah started for Cape 

 Richardson to bring back the musk-ox skins which had 

 been left there during the fall hunting trips. 



The tidal observations by MacMillan at Cape 

 Columbia were made in connection with the tidal 

 observations which were constantly going on at Cape 

 Sheridan during the fall and winter, and with those 

 taken later at Cape Bryant on the other side of Robeson 

 Channel. These tidal observations of the expedition 

 of 1908-09 were the farthest north of all continuous 

 series ever recorded anywhere, though similar obser- 

 vations had been taken by the Lady Franklin Bay 

 Expedition at Fort Conger, about sixty miles southwest. 



Marvin and Borup, during the November moon, 

 continued the tidal observations at Cape Sheridan. 

 The tidal igloo, which was built on the ice just inside 

 the tide crack, about one hundred and eighty yards 

 from the ship, was an ordinary Eskimo snow igloo and 

 was used as a protection to the men in taking the obser- 

 vations at the tide staff. This staff, about twelve feet 

 long, was driven into the bottom, and its length was 

 marked off in feet and inches. As the tide rose and 

 fell, the ice and the igloo moved with the water, but the 

 staff remained stationary, and by the position of 

 the ice upon the staff we measured the tides, varying 

 with the day, the moon and the season. 



The tides along the north coast of Grant Land are 

 remarkable for the slightness of the rise and fall, which 

 varies from an average of 1.8 feet at Cape Sheridan to 

 .8 at Cape Columbia. As is well known to navigators, 

 the tides at Sandy Hook, New York, sometimes rise 

 twelve feet, while the tides in the Bay of Fundy are 



