On the Origin of Species: Or, The Causes of the Phenomena of Organic Nature

00 Half calf animalcules animals asexual Atavism beak birds body bones called carbonic acid causes character Cloth conclusion condition of organic conditions of existence constantly course crustacean Darwin's hypothesis deposited developed diagram domesticated pigeons earth endeavour enormous evidence experiments extinct fact field mice fingers and five forms Francis Galton gun-cotton hard and green Henry Maudsley Horse Illustrations infusion inorganic world kind Lake of Killarney larvæ lecture legs living male means ment modification muscles natural selection naturalists notice offspring organic matter organic nature Origin of Species particles peculiarities perpetuation phenomena of organic physiological pigeons Porpoise Pouter present primitive stock produce Prof question races record reproduce result Rock Pigeon rocks scientific inquiry seeds selective breeding sheep skeleton sort spontaneous structure substance suppose surface tendency tion variation varieties vary whole