534 



EXPEDITION TO POINT HARROW, ALASKA. 



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



Term day readings of the Brooke declinometer, January 15, 188:!. 



470 

 4BS 



4(,5 



ct 



471 



4K8 

 445 

 4G5 



Term-day readings of the Brooke declinometer, March 1, 188;>. 



Term-day read in ait of the Brooke declinometer, March 15, 



