CONTENTS. 



Of tlie functions of organs and tissues 

 Incessant dmnges in everything living 

 Of the minute elementary parts of an organ or tissue 



Of Cells or Elementary Parts. 



Erroneous views concerning cells . . 



Investigation of the nature of the elementary part 



The anatomical unit or elementary part or cell 



Varying proportion of bioplasm in the cell. . 



Formation of the '• cell" 



Of formed material and tissue 



"Vai'ying characters of formed matter 



Tilings essential to tiie wait or " cell" 



Cells not like bricks in a wall 



Cells contain no molecular machinery 



Nutrition of an elementary part 



Of the increase of cells 



Formation of Tissues. 



Cuticle or epidermis . . 



Examination of adult ciiticle . 



Bioplasm in cuticle of different ages 



Hair, horn, nail 



Epithelial textures hardened with calcareous matter 



Formation of enamel . . . . . . . . 



Foi'mation of dentine, . 

 Of dentinal " tubes" . . 

 Dentinal " tubes" not canals for conveying fluid . . 



Of Cells toith Secondary Deposits. 



Of secreting. cells 



Flask-like secreting cells 



Formation of different products by the same bioplasm 



Fat cell . 



Starch cells 



Secondary deposits . . 



Of cihated cells 



Pigment cells . . 



Salivary corpuscles . . 



Conversion of Bio2)lasm into Tissue 



Formation of epitheUal tissue a:id fibrous tissue 

 Formation of fibres . . 



Movements of bioplasm in all tissue formation 

 Kemarkable spiral fibres 



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