536 



EXPEDITION TO POINT BAEKOW, ALASKA. 

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



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



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



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



