304 Scientific Intelligence. 
electricity is determined by the efforts of a charged magnetic 
needle (a small magnet) against the horizontal intensity of the 
The jar combined with the multiplicator served for the second 
s of the jar were placed at 
fixed distances apart; and then the electrical machine, also con- 
meee with the apparatus, turned until the appearance of the 
spark. 
The examination of the relation was made by seeking the 
straight line or curve whose equation the expressions for the ele- 
ments of comparison in question regarded as coérdinates most 
nearly satisfied, | 
rom the results obtained it is concluded that the relations 
a in both parts of the investigation most nearly appro 
t 
] 
at the same time. In the latter it was shown that the needle 
when in motion lost its electrical charge considerably sooner than 
2. Water unfrozen at a temperature of ~18° C_—Bovsstncavit 
finds that by preventing the agente of water, it may be kept 
unfroz : 18°C. He experimented with a gun barrel of 
steel, into which a steel ball was dropped before filling it with wate 
ring the cold days of December 26, 27 and 30, last, the tem 
and —18°, and yet on shaking the tube - 
all was found to move freely, showing that the water was not 
frozen.—L’ Institut, July 12, 
Il GroLtogy anp Natura. History. 
1. Glaciers.—Canon Moseley has a paper entitled, “On the “ 
chanical ssibility of the descent of glaciers by their welg 
; e for August. aS 
: Aine hh — och.—Lieut.-Col. Drayson mre 
‘ altho e Syoin iety the “probable cause, da 
oo et the Glacial epoch,” starts head the fact that the pole 
_ of the ecliptic would be the center of polar motion as the pole 
