The Life of an Insect being a history of the changes of insects from the egg to the perfect being.
Chapter III.--_Respiration of the Imago._--Experiments upon
the Breathing of Insects--Chloroform--Coal-gas--their Effects--Contest between a Spider and a Blue-Bottle Fly--Air-Pipes of Insects--Multitude of Air-Tubes-- Circulation of Blood in Insects--An Insect's Pulse 398