The Life of an Insect being a history of the changes of insects from the egg to the perfect being.
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