C. M. Wetherill on the crystallization of Sulphur. ~ 241 
glucose effected the crystallization, a liter of 94 p.c. aleohol was, 
on July 4, 1864, saturated first. with ammonia, then with sulphid 
of hydrogen, and was placed in a loosely stoppered bottle upon. - 
a shelf in the laboratory of the Smithsonian Institution, where 
it remained undisturbed until May 26, 1865. 
At this time the sides of the bottle were coated with white, 
ammonia. Ra 
Ngee 3(NH,0, S,0,,)+HO. 
tifal crystallization of sulphur in 
d its advance was watched for several 
ique 
conD Series, Vou. XL, 
