THE TRACK OF AN EARTH WAVE 166 A GEYSER AT REST IN YELLOWSTONE PARK, U.S.A. 170 THE NEW SPINE OF MONT PELÉE 184 THE DEAD CITY OF ST. PIERRE, MARTINIQUE 186 A YORKSHIRE POT-HOLE: SHOWING THE EFFECTS WHICH CAN BE PRODUCED IN LIMESTONE BY UNDERGROUND WATER 196 PLESIOSAURS 238 DIPLODOCI CARNEGIEI 240 ARCHÆOPTERYX AND COMPSOGNATHUS 242 EVOLUTION OF THE HEAD, PROBOSCIS, NOSTRILS, AND TUSKS OF THE ELEPHANT 260 TWO ARSINOITHERIUMS AT BAY BEFORE A PACK OF HYÆNODONS 266 DIPROTODON 278 [Illustration: The Number of world-shaking earthquakes from 1899 to 1908 which have originated in districts marked A, B, C, &c., are shown by figures. (See pp. 171 and 172.)] ERRATA [Transcriber Note: Corrections have been applied!] Page 19, line 9. For "Sir Thomas Holdich," read "Sir Thomas Holditch." Page 25, line 17. Read, "they are always, as it were, imperceptibly quivering; and they are always liable, if the strain on them should be increased in the slightest degree, to give way, or to resettle the weight on their shoulders in some way." Page 29, line 11. For "a greasy spot," read "a greasy shot." Page 35, line 5. For "evidence," read "existence." THE ROMANCE OF MODERN GEOLOGY CHAPTER I THE BUILDING OF THE EARTH