( 141 ) 
Magnetism. — “On Spasms in the Earth's magnetic force.” By Dr. 
W. vaN BEMMELEN. (Communicated by Prof. H. KAMERLINGH 
ONNES). 
(Will be published in the Proceedings of the next meeting). 
(Octobre 25th, 1899.) 
Bec AT UM: 
Page 41 line 13 for Fes SO4 read Fe SO, 
nee. Nef) BE eee 
py ied AAG. 1603 "IGOR ALG 
By 44 05. 5. 1566-4255 ADOBE VEE 
26 „ 4447 ..0194 , 0194... 4447 
