114 Scientific Intelligence. 
dried, heated to redness over a spirit lamp, and weighed. ‘The differ 
endus, xxxiii, 3 
to evaporate spontaneously, when the sulphid of nitrogen erystallize® 
Sulphur ; the mass on the filter is a mixture 
id of nitrogen, which may be separated bY 
brought into contact with an ignited body it fuses without explosion; 
ated in an oil bath to 157°C., the sulphid explodes, yielding nitroge? 
