14 ILLUSTRATIONS 



FIO, PAGE 



88. A Vegetable Cell Showing Plasmolysis 201 



89. Apparatus for Testing Rate of Diffusion of Salts through Living Tissue 206 



90. Diffusion of Various Solutions through Laminaria Agardhii 207 



91. Exosmosis into Distilled Water from Taraxacum Officinale 208 



92. Eecovery of Taraxacum OflScinale from Effect of Various Hypertonic 



Solutions 209 



93. Diagram Showing Principle of Resistance 218 



94. Increase in Value of Velocity Constants , 222 



95. Decrease in Value of Velocity Constants 223 



96. A Cell of Qriffithsia Bwnetiana 231 



