An outline of the rise of biology and of the epochs in its history.-Vesalius and the overthrow of authority in science.-William Harvey and experimental observation.-The introduction of the microscope and the progress of independent observation.-The progress of minute anatomy.--Linnaeus and scientific natural history.-Cuvier and the rise of comparative anatomyy. -Bichat and the birth of histology.-The rise physiology. Harvey. Haller. Johannes Müller.-Van Baer and te rise of embryology.-The cell-theory. Schleiden. Schwann. Schultze.-Protoplasm te physical basis of life.-The work of Pasteur, Koch, and others.-Heredity and germinal continuity. Mendel. Galton. Weismann.-The science of fossil like.-What evolution is; the evidence upon which it rests, etc.-Theories of evolution. Etc.