CHAPTER I.

THE CLASSIFICATION OF INSECTS.

Introduction.--Stages in the Life of an Insect.--Classification of Insects.--Characters derived from the Wings; from the parts of the Mouth; from the Metamorphoses.--The Classes of Insects: Hymenoptera, Strepsiptera, Coleoptera, Euplexoptera, Orthoptera, Thysanoptera, Neuroptera, Trichoptera, Diptera, Aphaniptera, Heteroptera, Homoptera, Lepidoptera _page_ 1-26