1888.] On the Plasticity of Glacier and other Ice. 341 



introduced two tins, filled with a strong solution of salt, into the inner 

 box, slightly altering its shape and increasing its size for this purpose. 

 A broad shallow tin occupied the spare space at the top, and a tall 

 tin occupied all the available space by the side of the ice between A 

 and L (fig. 2). The space between the two boxes was filled with 



