118 Correspondence of J. Nicklés. 
on the second of March, by Mr. Marth, at the Observatory of Mr. 
Bishop, in London, and named Amphitrite. 
and the circuit was always complete. It may be objected to this fact 
that the signals were not exchanged at the same indivisible instant, and 
that it only proves that the currents were of unequal intensity. Not- 
decomposition of water, the process of which is not always as 
simple as it would seem to be from theory, has received new light 
through a recent discussion. When care is taken thoroughly to refrig- 
erate the acidulated water, which is the subject of experitnent, it is Te 
marked that the volume of the gases is no longer in the relation of 
10 
augain has studied some of the forms of batteries with refer 
i hat each cup of the galvanometet 
receives the -+- pole of one couple and the — pole of the other. 
