Page:Whymper - Scrambles amongst the Alps.djvu/19

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CHAPTER XVI.

THE BOUQUETIN—ON CRÉTINISM AND GOÎTRE—CAUSES OF THEIR ORIGIN—POSSIBILITY OF CHECKING PROGRESS OF CRÉTINISM—THE ANCIENT GLACIER OF AOSTA AND THE MORAINES OF IVREA—RAMSAY'S EROSION THEORY—TYNDALL's THEORY—CONTRADICTIONS—CRITICISM OF THE THEORIES—CONCLUSIONS—SUMMIT OF THE GRANDES JORASSES—WE START AN AVALANCHE

Pages 295-345

CHAPTER XVII.

CONFUSION OF IDEAS—A MIDNIGHT START—SUMMIT OF THE PASS—EXTRAORDINARY ICE-WALL—MANNER OF ITS DESCENT—ON ICE-AXES AND THEIR USE—ON ICE-SLOPES AND THEIR SAFETY—CRAMPONS—ARRIVAL AT CHAMOUNIX

346-352

CHAPTER XVIII.

CROZ LEAVES US—CHRISTIAN ALMER—SUNSET ON THE MER DE GLACE—STRUCTURE OF GLACIERS—THE "VEINED STRUCTURE"—ORIGIN OF VEINS IN GLACIERS—ASCENT OF THE AIGUILLE—ADVICE TO MOUNTAIN WALKERS—VIEW FROM THE SUMMIT—STORMS COME ON—A WORTHY PORTER—THE NOBLE ATTITUDE OF CHAMOUNIX

353-365

CHAPTER XIX.

THE COL DU GÉANT—THE GLACIER DE TALÈFRE—EASY WAY FROM CHAMOUNIX TO CORMAYEUR—GLISSADING—PASSES OVER THE MAIN CHAIN OF MONT BLANC

366-369

CHAPTER XX.

FACILITY WITH WHICH THE RUINETTE CAN BE ASCENDED—NOBLE PANORAMA—ON CONCEALED CREVASSES—GUIDES' OBJECTION TO USE OF THE ROPEON THE USE AND ABUSE OF THE ROPEALMER DECLINES THE MATTERHORN—ENGAGE THE CARRELS—THEIR DEFECTIONTHE ITALIANS STEAL A MARCH—ARRIVAL OF LORD FRANCIS DOUGLAS—MEETING WITH CROZ AND HUDSON

370-383