EXPEDITION TO POINT BARROW, ALASKA. 

 Term-day reading* of the Brooke declinometer, October 1, 1882. 



533 



Term-day readings of the Brooke declinometer, October 15, 1882. 



Term-day readings of the Brooke declinometer, November 1, 1882. 



Term-day readings of the Brooke declinometer, November 15, 1882. 



Term-day readings of the Brooke declinometer, December 1, 1882. 



