H. C. Bolton—Action of Light on Uranium. 211 
Nitrate of uranium is not only very soluble in water, alcohol 
and ether, but also in glycerine. Even when deprived of its 
ine is reserved for further investigation. ; 
Solutions of the sulphate, oxychlorid and oxyfluorid of ura- 
d 
by comparing these prints with those obtained without glycerine 
I have come to the conclusion that the addition of glycerine 
at 
