A New Theory of the Origin of Species

50 cents 753 Broadway adaptation admit advance animals appear beauty birds birth body brain capacity Catarrhini causes changes Chimpanzee civilized colors conclusion connection created creation Creator Darwin descent developed distinct domestic earth ence Eocene Eohippus evidence evolution existence fact fishes force forms Gorilla gradually growth Haeckel hair heredity horse human Huxley hypothesis idea Illustrated improvement inference instance instinct intelligence kind language less living lower lowest male and female mammalia mammals manifested marsupial matter ment mental mind Miocene modern Molluscs moner monkey natural selection offspring organic origin of species ovum peculiar period phenomena Phrenology physical plants Plio Pliocene polygamy primitive principle produced Prof progenitor Protozoa question races reason regarded relations reptile resembling result savage says sexes sexual selection Silurian skull Spencer stone age structure supposed T. H. HUXLEY taste teleology theory thing tion tribes true varieties vertebrate