THE TWO GREA T SCULPTORS. 99 
LECTURE V. 
THE TWO GREAT SCULPTORS WATER AND ICE. 
N our last lecture we saw 
that water can exist in 
three forms : 1st, as an 
invisible vapour ; 2nd, as liquid water ; 3rd, as solid 
snow and ice. 
To - day we are going to take the two last of 
H 2 
