304 Scientific Intelligence. 
SCIENTIFIC INTELLIGENCER. 
I. CHEMISTRY AND Puysics. 
liquids of different boiling points are mixed together in equal 
with that obtained b multiplying the vapor-tensions of the two 
point of the —— 
of CH,O and 5 c.c. of CCl, in the third. In the first tube the mer* 
cury wi depressed about 80 mm. and in the second 70 mm.; 
while in the third the depression will be 130 mm.—J. Chem. Soe, 
Xxxv, 544, Aug, 1879, wer 2 
2. On the Solidifying point of Bromine.—Because of the 
Widely differing values given for the point at which bromine solid- 
TLIPP, at the suggestion of Rammelsberg, has under 
taken to redetermine it, In order to purify the bromine, it was 
