A constant conflict is maintained between the insect and the plant, the latter being aided by the bird, [30]

In the forest, then, lurks a hidden world, [31]

The interior of an ant-hill is suddenly revealed, [32]

And the effects become visible of the formic acid, [33]

Reflections suggested by the ruined ant-hill, [34]

III. OUR STUDIES AT FONTAINEBLEAU.

The writer resolves to attempt an explanation of the Insect World, [36]

For such a task Fontainebleau offers peculiar facilities, [37]

A description is given of the characteristics of the place, [38]

It has had a peculiar charm for many illustrious men, [41]