Home › Biology & Natural History › Species and Varieties, Their Origin by Mutation › Read onlineSpecies and Varieties, Their Origin by Mutationby Hugo de Vries6 sections · Download EPUBStart reading ›Continue reading1Epigraph — Species and Varieties Their Origin by Mutation2Lecture I — Descent: Theories of Evolution and Methods of Investiga…3Lecture II — Elementary Species in Nature4Lecture V — Characters of Retrograde Varieties5Lecture XI — Striped Flowers6Lecture XVI — The Origin of the Peloric Toad-Flax← Back to Species and Varieties, Their Origin by Mutation