The Coleoptera bring their surprising energies to the task, [159]

The insect-tribes are therefore great sanitary agents, [160]

The great Guiana ants afford an illustration, [161]

And the beneficent labours of the spider have secured the respect of the Siberians, [162]

CHAPTER IV.—THE INSECT AS MAN'S AUXILIARY.

The want of insect-labour induced the potato disease, [165]

Such is the dictum of an author, who thinks that the multiplication of small birds has been destructive to insect-life; but no such multiplication of birds has taken place, nor any such destruction of insects, [165], [166]

The Bird and the Insect are the joint purifiers of creation, [167]

Some species of insects should be carefully preserved, [167]

A sketch is given of their multifarious labours, [168]