The Principles of Heredity: With Some Applications

able acquired immunity adaptation adult alcohol ancestors ancestral type Animals and Plants antitoxin appear arise artificial selection become bi-parental reproduction blended inheritance brain breed capable cause cells child civilization colour common comparatively complex Darwin descendants disease drunken effect elimination endemic environment evidence evolution evolved example existence experience fact faculty germ germ-cells germ-plasm hereditary heredity higher animals human hypothesis inborn characters increased individual infected influence inheritance instance instinct intelligence knowledge Lamarckian doctrine less life-history lower animals malaria measles Mendelian mental acquirements mind natives Natural Selection occur offspring organisms ovum parasites parent parthenogenetic perish phagocytes phthisis physical present probably produced progressive variations race reason recapitulation reflex action regards regression religion rendered resistant result reversion saprophytic sensations sexual sexual reproduction species specious present stimulus structures supposed syphilis tend tendency theory tion toxins traits transmission of acquirements true tuberculosis undergone useless varieties vary