EXPEDITION TO POINT BARROW. A I ASK A 



Term-day readings of the Brooke declinometer, April 1, 1883. 



Term-day readings of the Brooke declinometer, April 15, 1883. 



Term-day readings of the Brooke declinometer, May 1, 1883. 



Term -day readings of the Brooke declinometer, My 15, 1883. 



7V/ in-day readings of the Brooke declinometer, June 1, 1883. 



Term-day readings of the Brooke declinometer, June 15, 1883. 



