ce. 
C. M. Wetherill—Experiments with Ammonium Amalgam. 165 
moistened Jump of sal-ammoniac or carbonate of ammonia and en 
be connected with the negative pole, the circuit beingcompleted = 
through the salt, the ammonium amalgam is formed while the “ 
current is passing. 
If a piece of tilter paper be placed upon a glass plate, and be 
moistened with a solution of carbonate of ammonia containing 
lumps of the salt, and if upon the paper a globule of mercury 
the current 
would seem that :-— i 
amalgam is not an alloy of mer- 
due to 
From these experiments it 
Ist, The so-called ammonium 
. 
