[ BOOK IV. MODERN DEVELOPMENT OF THE CHEMICAL AND BIOLOGICAL SCIENCES ] [ I. THE PHLOGISTON THEORY IN CHEMISTRY ] [ II. THE BEGINNINGS OF MODERN CHEMISTRY ] [ III. CHEMISTRY SINCE THE TIME OF DALTON ] [ IV. ANATOMY AND PHYSIOLOGY IN THE EIGHTEENTH CENTURY ] [ V. ANATOMY AND PHYSIOLOGY IN THE NINETEENTH CENTURY ] [ VI. THEORIES OF ORGANIC EVOLUTION ] [ VII. EIGHTEENTH-CENTURY MEDICINE ] [ VIII. NINETEENTH-CENTURY MEDICINE ] [ IX. THE NEW SCIENCE OF EXPERIMENTAL PSYCHOLOGY ] [ X. THE NEW SCIENCE OF ORIENTAL ARCHAEOLOGY ] [ BOOK V. ASPECTS OF RECENT SCIENCE ] [ I. THE BRITISH MUSEUM ] [ II. THE ROYAL SOCIETY OF LONDON FOR IMPROVING NATURAL KNOWLEDGE ] [ III. THE ROYAL INSTITUTION AND THE LOW-TEMPERATURE RESEARCHES ] [ IV. SOME PHYSICAL LABORATORIES AND PHYSICAL PROBLEMS ] [ V. THE MARINE BIOLOGICAL LABORATORY AT NAPLES ] [ VI. ERNST HAECKEL AND THE NEW ZOOLOGY ] [ VII. SOME MEDICAL LABORATORIES AND MEDICAL PROBLEMS ] [ VII. SOME UNSOLVED SCIENTIFIC PROBLEMS ] [ IX. RETROSPECT AND PROSPECT ]