Ragnarok : the age of fire and gravel

LIST OF ILLUSTRATIONS.

PAGE GrocRraPHicaL DIsTRIsction or THE Drirt > . Frontispiece, Tint OVERLAID witH Bowtper-CLay C : . ul) Scratcuep SToNE, FRoM THE TILL - A . . 6 River Issuing FRoM 4 Swiss GLACIER A = , ~ 19 Teramyat Morarne B “ = “ 5 - 20

GuActer-FuRRowSs AND ScratcHes at Stony Port, Lake Erte . 26 Deirt-Derosits IN THE Tropics . : . 6 é 38 Srratirrep Beps iy Trot, LerrHeN WatER, PEEBLESSHIRE, SCOTLAND, 54

Section aT JOINVILLE - S ry , = b4 Onpirs oF THE Pertopic Comets F . : 83 Orsrr or Earto snp Comer. . < a : . 88 Tue Eartn’s Orit c ns : : . 89 THe CoMET SWEEPING PAST THE EARTH p 5 5 - 92 Tue Sipe or THE EARTH STRUCK BY THE COMET " 93 Tue Swe NOT sTRUCK By THE CoMET : - ” . 93 Tue Great Comet or 1811 : r C - 95 Crac anp Tam ; . < ; ( . . 98 Soran Spectrum . . c . 105 Section at Sr. ACHEUL : : C a 3 . 122 Tue Encis SKULL 7 * ( 124 Tue NEANDERTHAL SKULL. A “ 2 b . 125

Piomaet From San Joaquin Vary, CALIFORNIA 5 . 130