TRY to imagine yourself in a forest years and years ago. You will not meet any one, for this was long ago when the world was young, and before man came to live on this earth of ours.
It is a strange forest that we are about to enter. There is no winter there; the trees grow all the year round.
You know how your plants at home grow and bloom in the hot days of July. All the days are warm July days in this forest. The ferns are as large as our trees.
It is a dense forest, for every little seed falling into the warm mud below sprouts, and is soon a large tree.
Do you think that much sunlight could pierce through the many branches? You are right; it could not, and it is dark and gloomy among these' great trees.
Hark! Is that the chirp of a robin? No! Here we have trees without birds, a forest with-