54 THE ICE AGE IN NORTH AMERICA. 



front was equal to that pushed along by the forward move- 

 ment. Satisfactory observations were made upon eight other 

 points numbered and located on Fig. 24. 



No. 1 was a pinnacle of ice 1,476 feet north by 30° east 

 from C. The movement from August 14th to August 24th 

 was 1,653 feet east by 15° south. After this date the pinna- 

 cle was no longer visible, having disappeared along the wast- 

 ing line of front between C and the subglacial stream at the 

 northeast corner of the inlet. This was so near the front as 

 to be left out of the ordinary calculations. 



No. 2 was a conspicious pinnacle of ice 2,416 feet north 

 by 16° east of C. Observations were continued upon this 

 from August 11th to September 2d. The total distance 

 moved during that time was 1,417 feet, or about sixty-five 

 feet per day. From August 14th to August 24th the move- 

 ment was 715 feet, or about seventy-one feet per day. The 

 difference is, however, perhaps due to the neglect to record 

 the hours of the day when the observations were taken. As 

 these observations were wholly independent of each other, 

 their substantial concordance demonstrates that there was no 

 serious error in the observations themselves. The direction 

 of movement of this point of ice was very nearly the same 

 as that of the preceding, namely, east 16° south. This also 

 is toward the subglacial stream emerging from the northeast 

 corner of the inlet. 



No. 3 was observed only from August 20th to August 

 24th. It w r as situated 3,893 feet north by 62° east of C, and 

 moved 105 feet in a westerly direction, about twenty-six feet 

 per day. The westerly course of this movement probably 

 arose from its being near where the easterly and northeast- 

 erly currents joined the main movement. 



No. 4 was 5,115 feet north, 42° east of C, and moved 

 from August 20th to August 24th 143 feet in a southeast- 

 erly direction, or thirty-six feet per day. 



No. 5 was 5,580 feet north, 48° east of C, and moved 289 

 feet from August 20th to August 24th in a direction east by 

 39° south, or seventy-two feet per day. 



