IV CONTENTS. 



Bearing of Molecular Activity on Spontaneous Fission in Gaseous Sphe- 

 roids 163-167 



Geophysical Theory under the Planetesimal Hypothesis 171-231 



Synopsis 171 



Introduction 172-179 



Theory of Fisher 180-200 



General Equations 180-184 



History of the Compression 184-190 



Thermal Problem 190-200 



Critical and Supplementary 201-218 



Thermodynamic Theory 219-231 



The Relations of EaxnuBRiUM between the Carbon Dioxide of the Atmos- 

 phere AND the Calcium Sulphate, Calcium Carbonate, and Calcium 



Bicarbonate of Water Solutions in Contact with it 235-264 



Equilibrium in Aqueous Solutions of Calcium Carbonate, Calcium Bicarbon- 

 ate, and Carbonic Acid in Contact with an Atmosphere containing Carbon 

 Dioxide, and the Solubility of Calcium Carbonate in Water containing Free 



Carbonic Acid 237-245 



The Determination of the Solubility Constant for Calcium Carbonate 245-249 



Equilibrium between Calcium Carbonate and Gypsum 250-255 



Calcium Sulphate, Carbonate, and Bicarbonate in the Presence of Sulphates. 255-258 

 Calcium Sulphate, Carbonate, and Bicarbonate in the Presence of Sodium 



Chloride 259-262 



The Effect of Temperature Changes 262-263 



Summary of Results 263-264 



