ON TREES AND BIRDS. 



15 



waste, and in this way preserve the water in the ground 

 and keep our climate more even. But before you can 

 expect success in planting and growing forests you 

 must learn something about the real life of trees. 

 When you have read this book carefully and studied 

 all the photographs you will be surprised to see how 

 the trees are suffering all around you. But, oh! what 

 a delightful study you will have, and the trees will 

 sing for joy as you come forth by the millions to their 

 relief ! 



r 



