CONTENTS 



I. The Long Road 1 



II. The Divine Abyss 39 



m. The Spell of the Yosemite ... 71 



IV. Through the Eyes of the Geologist . 85 



V. Holidays in Hawaii 119 



VI. The Old Ice Flood 157 



Vn. The Friendly Soil 167 



VIII. Primal Energies 171 



IX. Scientific Faith 175 



X. "The Worm striving to be Man" . . 187 



XI. The Phantoms behind us . . . .197 



Xn. The Hazards of the Past .... 225 



XIII. The Gospel of Nature 243 



