The Book of Nature

action adverted already observed animals appears Aristotle birds blood body brain called capable carbonic acid character chiefly colour common consequence consists constitutes Cuvier degree denominated derived distinct doctrine earth Epicurus equally existence external senses fact faculty farther feeling fishes fluid former gastric juice genus glottis Greek happiness heart heat hence hippopotamus human hypothesis ideas important innate ideas insects instances instinct intelligence kind knowledge lacteals language larynx Lect lecture less Lucretius mankind manner material matter means mind Misor moral muscles nature never objects occasionally organs origin oxygen passions peculiar perfect perhaps perpetually petrifactions philosophers physiologists plants Plato possess present principle produced proof prove Pythagoras quadrupeds racters reason respect sensation solid soul species stomach substance supposed taste term theory thing tion traced tribes truth variety various vegetable ventriloquism whence whole words worms zoophytes