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SCOUTING FOR GIRLS 
THE KING OF THE NORTHLANDS 
GEOLOGY 
Finds tongues in trees , books in the running brooks , 
Sermons in stones , and good in everything. 
— Shakespeare, As You Like It. 
The Structure and History of the Earth 
There is nothing eternal about the earth except eternal 
change, some one has said. It requires only a little look- 
ing about us to see that this is true. The earth is not as 
it was in the past. Every shower of rain changes or 
modifies its surface. And many other and some very 
great changes have occurred during the past few millions 
