CONTENTS. vii 



CHAP. XIII. 



Synoptical View of the general Characters of 

 the Families of Rocks contained in the present 

 arrangement 193 



PRELIMINARY REMARKS ON THE NATURE 

 AND CHARACTERS OF THE PRIMARY 



CLASS 215 



GRANITE , 225 



SERPENTINE 243 



GNEISS 249 



MICACEOUS SCHIST 267 



CHLORITE SCHIST 282 



TALCOSE SCHIST 293 



HORNBLENDE SCHIST 298 



ACTINOLITE SCHIST., . 314 



QUARTZ ROCK .;'..... 317 



RED (PRIMARY) SANDSTONE i 331 



ARGILLACEOUS SCHIST 344 



PRIMARY LIMESTONE .*.. 368 



COMPACT FELSPAR . 374 



PRELIMINARY REMARKS ON THE NATURE 

 AND CHARACTERS OF THE SECONDARY 

 CLASS 379 



LOWEST (RED) SANDSTONE 390 



