370 
melting-point line of the rhombic mixed erystals in /,. If we have 
once premised this in the plane for Se+ Sy, we find the ternary 
T,a-figure in the same way as was explained in my first communi- 
cation on this subject, if viz. the fact is allowed for that the transi- 
EET 
IN 
aut 
y TN 
ee 
5 DS 
A= 
tion point is lowered by the third component, which follows from the 
experiments carried out by Dr. pr Lesuw at my request”). 
1) See Versl. Kon. Ak. 28 Sept. 1912, p. 488. This paper will shortly appear 
in These Proceedings. 
