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 ROPE—ON THE USE AND ABUSE OF THE ROPE—ALMER DECLINES THE MATTERHORN—ENGAGE THE CARRELS—THEIR DEFECTION—THE ITALIANS STEAL A MARCH—ARRIVAL OF LORD FRANCIS DOUGLAS—MEETING WITH CROZ AND HUDSON
370-383
