Evolution by Means of Hybridization

What is Evolution?.- The Evolution of Living Beings.- Definitions of Terms Used.- Do Diploid Species vary?.- Species, Linneons, Genera and other „Higher Groups” and Evolution.- The Origin of Diploid Species.- The Perpetuation of the New Species.- How to get at the Constitution of the Gametes.- How can Groups of Differently Constituted Types Form a Linneon, Simulating a Species?.- The Limits of Linneons.- The cause of the Increase of „Variability” under Domestication.- Progression in Evolution.- The Evidence for the Occurence of Crosses between Individuals Belonging to Different Linneons in Nature.- The Effect of Crossing Linneons.- The Origin of the Great Classes.- The Question of Relationship.- The Question of Phylogeny.- Homologous Parts and Rudimentary Organs.- Migration.- Geology and the Constancy of Species.- Conclusions from the Behaviour of Diploid Organisms.- Haploid Organisms and Mutation.- Diploid Organisms and Mutation.