Evolution
James A. S. WatsonA Critical Examination of the Position of Mr. Darwin's Works
Thomas H. HuxleyThe Dancing Mouse - A Study in Animal Behavior
Robert Mearns YerkesVestiges of the Natural History of Creation
Robert ChambersSpecies and Varieties, Their Origin by Mutation
Hugo de VriesGeological Contemporaneity and Persistent Types of Life
Thomas Henry HuxleyThe Perpetuation of Living Beings, Hereditary Transmission and Variation
Thomas Henry Huxley