Chapter III.--_Moulting of the Larva._--Escape of Larva from its old Skin--Arrangement of the Hairs--Danger attending the Moult--Colours of Larvæ--Influence of Sun-light--Curious appearance of the Coats of Larvæ--Larvæ like Twigs--Singularly coated Larva 146
Chapter IV.--_Respiration of the Larva._--Experiment with Larvæ--Insects do not breathe by their Mouths--Breathing Mechanism of Larvæ--Spiracles--Aquatic Larvæ--Inhabitants of the Ditch and Pool--Rat-tailed Larvæ--Remarkable Organ--Chameleon-Fly Larva--Larva of the May-Fly--Their under-water Cells--Singular organs of Respiration--Complete Armour of Dragon-Ely Larva 157
Chapter V.--_Means of Defence of the Larva._--Leaf-dwelling Larvæ--Larva clad in Rags--"Hickory-horned Devil"--Larva with a Squirt--Shaggy-coated Larvæ--Frozen Larvæ--Dwellings of Larvæ--Remarkable Australian Larva cases--Larvæ in Winter 178
Chapter VI.--_Preparation for a Change._--Age of the Larva--its attempts at concealment--Cocoons of Larvæ--Silk-Worm Cocoon--Extraordinary precaution of a Larva--Case of Bark-skin--Anecdote of a Larva--Suspension of the Larva, horizontally and perpendicularly--Larva of Meat-Fly--Last action of the Larva 194
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 213
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 225
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 239
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 251
Chapter V.--_The Great Change._--An Insect Prisoner--Escape of the Cossus--Escape of a Fly--A guide-line to the Captive--Cocoon of Emperor Moth--Escape backwards--Chemical solvent--Escape of Ants--Huber's Ant-hill--Assistant Ants--Aquatic Insects--The Caddis-worm--Singular escape--The Gnat--A time of Peril--Blood-Worms--A curious spectacle--The Dragon-Fly--Phenomena of the Change--The Insect new-horn--Curious facts about Pupæ 273