Footnotes to Evolution: A Series of Popular Addresses on the Evolution of Life

acquired characters action adult altruism ammonites ammonoids ancestors animals Bactrites become belief birds blood body Brachiopoda brain causes centrosome chromatin chromosomes colony competition creatures Crustacea cytoplasm Darwin degeneration degree descendants division egg cell elements embryo ence environment evidence experience fact factors fauna fishes fittest food yolk force forms function genera germ cell germinal Glyphioceras growth hereditary heredity higher homology human impulses increase individual influence inheritance instinct knowledge larvæ larval less living ment mind monism mother natural selection naturalists nerve nervous never nucleus ontogeny Origin of Species parent pauperism phenomena philosophy plants Plate progress protoconch protoplasm race recognised relations religion Richard Roe Sacculina says sensation sense shown species sperm spermatozoa stage structure struggle for existence survival tetrads theory things tion true truth variations vertebræ Weismann whorls woman women words