VI 



386 



CHAP. XL 



ALTERATIONS OF COASTJ LINE 



CHAP. XII. 

 INTERIOR LAND CHANGES . 



CHAP. XIII. 



THE ATMOSPHERE AND ITS CURRENTS . . 435 



CHAP. XIV. 



AQUEOUS ATMOSPHERIC PHENOMENA . .461 



CHAP. XV. 



PHYSICAL CLIMATE ... . . 484 

 CHAP. XVI. 



OPTICAL PHENOMENA . . . .516 



CHAP. XVII. 



GEOGRAPHICAL DISTRIBUTION OF PLANTS 546 



CHAP. XVIII. 



GEOGRAPHICAL DISTRIBUTION OF ANIMALS . 57l 



CONTENTS. 



CHAP. II. 



PLUTONIC OR IGNEOUS ROCKS 



CHAP. III. 



i 



407 l~ GNEISS, MICA SCHIST, AND CLAY SLATE Svs- 



PAOB 



. 643 



CHAP. XIX. 



DISTRIBUTION OF THE HUMAN RACE 



. 595 



GEOLOGY. 



INTRODUCTORY CHAPTER . . . .611 



CHAP. I. 



THE STRUCTURE AND CLASSIFICATION OF HOCKS 622 



TEM . 



CHAP. IV. 



THE SILURIAN SYSTEM ...... . 



CHAP. V. 

 THE OLD RED SANDSTONE SYSTEM 



CHAP. VI. 



THE CARBONIFEROUS SYSTEM 



CHAP. VII. 



THE NEW RED SANDSTONE SYSTEM 



CHAP. VIII. 



THE OOLITIC SYSTEM . 



CHAP. IX. 



THE CRETACEOUS SYSTEM 



CHAP. X. 



THE TERTIARY SYSTEM 



CHAP. XII. 



ALLUVIUM RKCENT FORMATIONS 



CHAP. XIII. 



GENERAL INDICATIONS . 



657 



667 



681 



690 



707 



717 



731 



737 



CHAP. XL 



DILUVIUM. DRIFT AND ERRATIC BLOCKS . 751 



767 



784 



