TABLE OF CONTENTS PAGE The question.-The two theories of man's origin.-The argument purely historical.-Means of tracing man's ancestry and history.-Classification. Amoeba: Its anatomy and physiology.-Development of the cell.- Hydra: The development of digestive and reproductive organs, and of Worms and the development of organs.-Mollusks: The external protec- tive skeleton leads to degeneration or stagnation.-Annelids and arthro- pods: The external locomotive skeleton leads to temporary rapid advance, but fails of the goal.-Its disadvantages.-Vertebrates: The internal loco- motive skeleton leads to backbone and brain. -Reasons for their dominance CHAPTER IV VERTEBRATES: BACKBONE AND BRAIN PAGE 81 The advance of vertebrates from fish through amphibia and reptiles to CHAPTER V THE HISTORY OF MENTAL DEVELOPMENT AND ITS 113 Mode of investigation.- Intellect. Sense-perceptions.-Association.— CHAPTER VI NATURAL SELECTION AND ENVIRONMENT. . . 152 The reversal of the sequence of functions leads to extermination, degen- given form, may be considered as one grand resultant.-Environment is thus a power making at first for digestion and reproduction, then for mus- cular strength and activity, then for shrewdness, finally for unselfishness and righteousness.-An ultimate "power, not ourselves, making for right- a personality. Our knowledge of this personality may be valid, even though very incomplete.-Religion.-Conformity to the spiritual in or behind environment is likeness to God.-The conservative tendency in Human environment.-The development of the family as the school of Composed of atoms and molecules, hence subject to chemical and physi- cal laws. As a living being.-As an animal.-As a vertebrate.-As a mammal.—As a social being.-As a personal and moral being.-The con- flict between the higher and the lower in man.-As a religious being.—As hero. He has not yet attained.-Future man. He will utilize all his powers, duly subordinating the lower to the higher.-The triumph of the Subject of the Bible.-Man: Body, intellect, heart.-God: Law, sin, and penalty.-God manifested in Christ.-Salvation, the divine life per- The struggle for existence.-Natural selection.-Correlation of organs.- Fortuitous variation.-Origin of the fittest.-Nägeli's theory: Initial ten- dency supreme.-Weismann and the Neo-Darwinians: Natural selection omnipotent.-The Neo-Lamarckians.-Comparison of the Neo-Darwinian and the Neo-Lamarckian views. "Individuality" the controlling power throughout the life of the organism.-Transmission of special effects of use CHART SHOWING SEQUENCE OF ATTAINMENTS AND |