Fig. 2. — Freezing-points of Solutions of Metadinitrobenzene and 



Naphthalene. 



20 



40 60 



Per cent. Dinitrobenzene. 



80 



100 



F.P. 



80° 



70° 



60° 



50° 



Fig. 3. — Freezing-points of Solutions of Dinitrotoluene and 



Naphthalene. 



\ 





\ 



/ 



VT) 



\ 



20 



40 60 



Per cent. Dinitrotoluene. 



80 



100 



