xvi CONTENTS. 



III. Making of Thick Strata of Limestones . 



IV. Subsidence Essential to the Making of Thick 



Strata 



V. Deep-Sea Limestones seldom made from Corai 



Island or Reef Dehris .... 



VI. Absence of Fossils from Limestone Strata 



VII. The Wide Range of the older Limestones not 



Exemplified in Modern Coral-Reef Formations 

 VIII. Consolidation of Coral Rocks . . . . 

 IX. Formation of Dolomite or Magnesian Carbonate 



OF Lime 



X. Formation of Chalk 



XL Rate of Increase of Limestone Formations 

 XII. Limestone Caverns 



XIII. Oceanic Temperature 



XIV. The Oceanic Coral-Island Subsidence 



PAGE 



301 



301 

 302 



305 



307 

 308 



309 

 310 



311 

 314 



APPENDIX. 



I. Geological Time 321 



II. Radiates 322 



III. Protozoans 325 



IV. Names of Species in the Author's Report on 



Zoophytes ......... 327 



V. List of Works referred to, and of Abbreviations . 337 



Index 



341 



