Chemistry and Physics. 421 
( Ales Ls eel i 
i. aes 
which, by induction in the earth-magnet, produces a similar change 
the latter. From this it follows: 
But any change in the ether-current is a change in the sun’s magnetism, 
Me in 
8 
for the sun seems to be smaller than the less density of the solar sphere 
t for. We would, therefore, not pronounce on this question, 
11. The Electric Discharge.—Mr. Feppersen, of Leipsic, has published 
these kinds of discharges really does occur under certain circumstances ; 
but that in most fia where the circuit is metallic, the discharge is osedd- 
half of the positive electricity 
the exterior coating, simultaneously 
