XXI. WHAT CHRISTMAS EVE BROUGHT 235

XXII. SHORT OF PROVISIONS IN A SUNLESS GORGE 249

XXIII. THE LAST PORTAGE AND THE LAST RAPIDS 267

XXIV. ON THE CREST OF A FLOOD 280

XXV. FOUR DAYS TO YUMA 290

XXVI. ACROSS THE MEXICO BORDER 303

XXVII. THE GULF OF CALIFORNIA 321





ILLUSTRATIONS


The Grand Canyon near the mouth of Ha Va Su Creek _Frontispiece_


After a difficult picture. E. C. Kolb on rope................... 2

In the Grand Canyon near the Little Colorado.................... 6

The start at Green River, Wyoming............................... 10