Heredity and Selection in Sociology

adaptation amphimixis animal attain average biological value biophors capable cause cells centrosome characters chromosomes classes conflict consanguinity consequently constant constant species constitution Darwin degeneracy deter determinants differentiated disease division effected elements eliminated environment epilepsy expansion fact factor favourable fertilisation fertility force germ germ-cells germ-plasm germinal selection greater hereditary transmission heredity human hybrids increase indispensable influence inherited insanity instance instinct integration karyokinesis Lamarckian Lamarckian theory larvæ latter less manifest maturation ment Metazoa minants modifications moral Nägeli natural selection necessarily normal number nucleus number of individuals offspring organisation organism origin Origin of Species ovum parents Paris parthenogenetic pathological phenomena phenomenon plasm polar body possess principle produced progress Protozoa race readaptation religion remarkable reproduction result rôle social evolution society somatic species spermatozoon sterility struggle for existence suicide-rate suppose supra-rational survive syphilis tendency teratological tion to-day transmitted variation vidual Weismann Western civilisation