544 



EXPEDITION TO POINT BAEROW, ALASKA. 



Tir in-day readings of the Brooke balance magnetometer, December 1, 1882. 



Term-day readings of the Brooke balance magnetometer, December 15, 1882. 



Term-day readings of the Brooke balance magnetometer, January 2, 1883. 



Term-day readings of the Brooke balance magnetometer, January 15, 1883. 



Term-day readings of the Brooke balance magnetometer, February ] , 1883. 



