Part 8 (1/2)

HIDE AND SEEK IN THE LIBRARY

What have burrowing anie system of the land? (Keffer's ”Nature Studies on the Farleworood use of the rain that falls, not only for themselves but for the rest of us?

How do the rains help to war? The heat they carry into the soil is produced in tays The book mentioned above tells of one of these ways, and Russell's little book, ”The Story of the Soil,” tells of another

Beale's ”Seed Dispersal” tells how the raindrops (working together, of course) help plant row by the waterside, to scatter their seeds

You'd be surprised what a series of adventures the seeds of a bladderwort have before they get planted on so left the parent shrub First, they float down-stream, as you know, but when autuo to bed Where? Right in the bottoet planted on the shore? Well, you just look it up in that Beale book and see

Do you kno the rains help to get the mineral food up into the plant?

And amps are such poor producers?

And how the sun acts as a pump for the plant world?

You will find answers to all these questions in Shaler's ”Outlines of Earth's History” and in your books on botany and agriculture

Russell's book on the soil tells how the ancient Gauls and Britons used to fertilize their land with land It's just the reverse of the way Father Nile looks after Egypt, as you will see

If you want to read an interesting description of the difficulties of far on wet lands, you will find it in thisit is to let gullies form in land, look it up in Shaler's ”Man and the Earth” and you will see

How do you suppose deserts that get so little rain themselves could _help make it rain_ in other places? For example, the desert of Thibet is the chief cause of the eography that explains the circulation of the air will help you figure this out; particularly with a map under your eye that shows the relative location of the desert and the Indian Ocean, over which the monsoon winds blow

[Illustration: AN EXAMPLE OF MAN'S DEBT TO THE EARTHWORM

Much of the earth's Maytime bloom and beauty is due to the labor of our hu fact which was never recognized until the great Charles Darwin looked into the matter and wrote a book about his in the Louvre, in Paris]

CHAPTER V

(MAY)

It may be doubted whether there are many other animals which have played so ianized creatures

--_Darwin: ”The Foretable Mould”_

WHAT THE EARTH OWES TO THE EARTHWORM