﻿iXatioiial Antarrlic E.qmlitian, 1001-1904. 



Plate 17 {Magnetic Ohservalwns). 



West Lons: I40° I50° I60° I70° I8 0° I70' 160°. I5Q° I 40' 



C'hait I. Lines of equal magnetic declination. (See p. 155.) 



From observations made by the Officers of the National Antarctic Expedition, 1902-1904. 



By Commander L. W. P. Chetwynd, Royal Navy. 



