Chapter II
Reading edition
CHAPTER II
Conscious Determination
Definition—How conscious determination is evolved from the senses—The presence of nerve-tissue in Stentor polymorphus—The properties of nerve-tissue—Romanes' experiment with anemone—Action of stimuli on nerve-tissue—Reflection—Origin of consciousness—Time element in consciousness—Conscious determination in Stentor polymorphus—In Actinophrys—In Amœba—In Medusa—In a water-louse—In a garden snail—In the angle-worm—In oysters—In a ground wasp. 39