TABLE OF CONTENTS. 



PAGE 



Of the Production of formed Material ... ... ... ... 49 



Of the So-called Intercellular Substance ... ... 52 



Of the Formation of the Contractile Tissue of Muscle ... ... 54 



The Formation of Nerve Fibres ... ,.. ... 55 



What is Essential to the Cell 55 



Cells are not like Bricks in a Wall ... ... ... ... ... 56 



On the Nutrition of a Living Cell .. ... ... ... ... 57 



Of the Increase of Cells ... 58 



Of the Changes of the Cell in Disease ... ... ... ... 59 



Effects of Treatment ... ... ... ... ... ... ... 64 



III. OF LIFE. 



What is to be understood by the term ? ... ... ... ... 61 



Non-living Particles of Matter contrasted with Living Particles ... 69 



Spontaneous Generation ... ... ... ... ... ... 73 



Structure of a Spore of Mildew ... ... ... ... ... 75 



Is a Tissue " Living" because attached to a Living Organism ... 79 



Chemical and Mechanical Changes in Living Beings ... ... 79 



Actions in Living Beings ... ... ... ... ... ... 82 



Force guided by Matter ... ... ... ... ... ... 83 



Actions which characterize every kind of Living Matter, but which never 



occur in any Form of Non-living Matter. 



New Views concerning the Vital Processes of Growth and Nu- 

 trition ... ... ... ... ... ... ... ... 87 



Germinal Matter and Formed Material of the Blood ... ... 96 



Nature of the Material which Nourishes the Tissues ... ... 98 



Peculiarity of the Nutritive Process... 101 



Of Vitality. 



Vitality not a Property of Matter ... ... ... ... ... 103 



Point at which the Physical School tries to stop further Enquiry ... 107 



Of a Living Spherule ... ... ... ... ... ... ... 109 



Centrifugal Movement of Living Particles ... ... ... ...in 



