LIST OF ILLUSTRATIONS

• GEOGRAPHICAL DISTRIBUTION OF THE DRIFT--Frontispiece.

• TILL OVERLAID WITH BOWLDER-CLAY 5

• SCRATCHED STONE, FROM THE TILL 6

• RIVER ISSUING FROM A SWISS GLACIER 19

• TERMINAL MORAINE 20

• GLACIER-FURROWS AND SCRATCHES AT STONY POINT, LAKE ERIE 26

• DRIFT-DEPOSITS IN THE TROPICS 38

• STRATIFIED BEDS IN TILL, LEITHEN WATER, PEEBLESSHIRE, SCOTLAND 54

• SECTION AT JOINVILLE 54

• ORBITS OF THE PERIODIC COMETS 83

• ORBIT OF EARTH AND COMET 88

• THE EARTH'S ORBIT 89

• THE COMET SWEEPING PAST THE EARTH 92

• THE SIDE OF THE EARTH STRUCK BY THE COMET 93

• THE SIDE NOT STRUCK BY THE COMET 93

• THE GREAT COMET OF 1811 95

• CRAG AND TAIL 98

• SOLAR SPECTRUM 105

• SECTION AT ST. ACHEUL 122

• THE ENGIS SKULL 124

• THE NEANDERTHAL SKULL 125

• PLUMMET FROM SAN JOAQUIN VALLEY, CALIFORNIA 180

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• COMET OF 1862 137

• COURSE OF DONATI'S COMET 167

• THE PRIMEVAL STORM 220

• THE AFRITE IN THE PILLAR 270

• DAHISH OVERTAKEN BY DIMIRIAT 272

• EARTHEN VASE, FOUND IN THE CAVE OF FURFOOZ, BELGIUM 347

• PRE-GLACIAL MAN'S PICTURE OF THE MAMMOTH 349

• PRE-GLACIAL MAN'S PICTURE OF REINDEER 350

• PRE-GLACIAL MAN'S PICTURE OF THE HORSE 351

• SPECIMEN OF PRE-GLACIAL CARVING 352

• STONE IMAGE FOUND IN OHIO 353

• COPPER COIN, FOUND ONE HUNDRED AND FOURTEEN FEET UNDER GROUND, IN ILLINOIS {front} 356

• COPPER COIN, FOUND ONE HUNDRED AND FOURTEEN FEET UNDER GROUND, IN ILLINOIS {back} 356

• BIELA'S COMET, SPLIT IN TWO 409

• SECTION ON THE SCHUYLKILL 432

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