PART III.—THE PUPA.
Chapter I.—The Transformation.—Meaning of the word Pupa—Various names of Pupæ—Process of the change—Remarkable feat of a Pupa—Time occupied in the Change
Chapter II.—What is a Pupa?—Characters of a Pupa—Active and Inactive—Dissection of a Pupa—Contents of Pupa-case—Singular Pupa—Goedart's strange Representations of Pupæ—Pupæ from Surinam—Colours of Pupæ—Aurelia and Chrysalis—Ground Pearl
Chapter III.—Respiration of the Pupa.—Spiracles of Pupæ—Anecdote from De Geer—Air-Cell under Water—Difficulty of the task—Pupæ with an Air-tube
Chapter IV.—Varieties and Age of the Pupa.—Different kinds of Pupæ—Age of the Pupa—Pupæ hatched in a Hot-house—Butterflies in Winter—Pupæ hatched by a Hen—Glass Eggs—Influence of Warmth and Cold—Dreams of Immortality—Réaumur's mistake—Varnishing Pupæ—Preservation of Eggs—Falling of the "Manna"—Final changes of the Pupa