CONTENTS. 



ModeX. Granitic Porphyroid p. 210 



XI. Gneiss 211 



XII. Pitch-stone 218 



XIII. Siliceous Intrite 22O 



XIV. Siliceous Glutenite 223 



DOMAIN III. ABGILLACEOUS. 239 



Model. Alum Rock 242 



II. Clay Slate 249 



III. Clay Rock 269 



IV. Wacken 273 



V. Smectite 275 



VI. Iconite . 278 



VII. Argillaceous Intrite 281 



VIII. Argillaceous Glutenite.. 283 



DOMAIN IV. TALCOUS. 293 



Mode I. Talc 301 



II. Talcous Slate 309 



III. Micarel Slate 312 



IV. Steatite 313 



V. Ollite 327 



VI. Serpentine 334 



VII. Saussurite 354 



VIII. Green Granitel 362 



IX. Magnesian Limestone 363 



X. Green Marble 366 



XI. Magnesian Intrite 372 



XII. Magnesian Glutenite 373 



DOMAIN V. CALCAREOUS. 376 



Mode I. Marble 330 



II. Konite 427 



HI. Limestone 441 



IV. Alabastrite ., 458 



