The World of Life: A Manifestation of Creative Power, Directive Mind and Ultimate Purpose

abundant adapted allied animals appear Arctic Australia B.M. Guide barbules beauty birds body botanical botanists butterflies carbon cause cell changes chapter chemical chromatin climate colour complex continuous Cretaceous Darwin distinct diversity earth elements enormous Eocene equal Europe evolution existence extinct fact feathers feet flora flowering plants forces forest forms genera geological give growth higher increase infinite insects island Kambangan Island known land large number larger Lepidoptera less Malay Peninsula Mammalia mammals marsupials Mastodon matter Mesozoic Miocene mountains natural selection nearly North America number of species organic organised pain peculiar perhaps period phenomena Pleistocene probably produced protoplasm Pterodactyls purpose regions remarkable reptiles seems shown skeleton skull South square miles strange structure substance surface tail teeth temperate Tertiary tion Titmouse trees tropical tusks variation varied variety various vast vegetation Weismann's whole wings