605 
a, 
lf we. wrile: ans eaves — “ leads to the following equation : 
12 1 
laa, (Mae ee 
bibs br b, 
or 
yo 
be bn 
ar brb. 
b, 
or 
ie 
Tr, S/n 
: Gis d, 
And in the same way — < — 
1 Wad, wbt. 
< 
wbb, Os b, 
or 
T,, _. (b’n+1) 
l z. 
Ge < Syn 
. a . 
Now we can put two extreme cases, viz. that a contin ually 
decreases till at «= 1 the minimum value has just been reached, 
or that the minimum value begins at «=O and that the quantity 
5 becomes greater for all successive values. 
) 
In the first case, which is entirely, or almost entirely realized 
Bn+1)* 
for the system water-ether, WA we < Es a and 
= Ma Wn + hd 
VE me PEW 
In the second case 
i a > (B n+ 1)? 
i hy BY n 
a 
ka Vn 
In both cases the higher critical temperature is in the numerator 
k 
in the expression Vax Se where the sign = occurs 
kg 
and the formula: 
and 
