Jour. Sei. Coll., Vol. XLI.. Art. 8, PI. I. 



A), 



4000 



3000 



1000 



Fio-. 2. 

 ). = 4415-13, Zp-, 4îi-coinps. 



10000 



20000 



40000 



AX 



4000 



3000 



2000 



1000 



Fig. 3. 

 ) -4383-55, tripl. 



, ^A- 



J J -^ 



^y^K 



10000 



20000 



30000 



40000 



(J) denotes an asseuihlage of two ov uiore.'iioints. 



B, G and K denott^ the points taken from the results of van Bilderljeek-van Meurs, Graftdijk and King respectively. 



Y, Takahashi. Magnetic Separations of Iron Lines in Different Fields. 



