I. The Life-History and Anatomy of Butterflies The Eggs of Butterflies. Caterpillars: Structure, Form, Color, etc.; Moults; Food of Caterpillars; Duration of Larval State; Transformation. The Pupa, or Chrysalis: The Form of Chrysalids; Duration of Pupal Life; The Transformation from the Chrysalis to the Imago. Anatomy of Butterflies: The Head; The Thorax; The Abdomen; The Legs; The Wings; Internal Organs; Polymorphism and Dimorphism; Albinism and Melanism; Monstrosities; Mimicry. The Distribution of Butterflies. II. The Capture, Preparation, and Preservation of Specimens Collecting Apparatus: Nets; Collecting-Jars; Field-Boxes; The Use of the Net; Baits; Beating. The Breeding of Specimens: How to Get the Eggs of Butterflies; Breeding-Cages; How to Find Caterpillars; Hibernating Caterpillars. The Preservation of Specimens: Papering Specimens; Mounting Butterflies; Relaxing Specimens; The Preparation and Preservation of Butterfly Eggs; The Preservation of Chrysalids; The Preservation of Caterpillars. The Preservation and Arrangement of Collections: Boxes; Cabinets and Drawers; Labeling; Arrangement of Specimens; Insect Pests; Greasy Specimens; Mould; Repairing Specimens; Packing and Forwarding Specimens; Pins; The Forceps. III. The Classification of Butterflies The Place of Butterflies in the Animal Kingdom; The Principles of Scientific Arrangement; The Species; The Genus; The Family, etc.; Scientific Names; Synonyms; Popular Names. IV. Books about North American Butterflies Early Writers; Later Writers; Periodicals.