[3.]—The Tyrol.[23]

Kaunserthal and the Gebatsch Alp; Senner or Cheesemakers; Gebatsch Glacier; a night in a cowshed; passage to Lantaufer; a chamois on the rocks; my Guide; the atmospheric snow-line; passage of the Stelvio; Colour of fresh snow; Bormio; the pass recrossed by night; aspect of the mountains; Meran to Unserfrau; passage of the Hochjoch to Fend; singular hailstorm; wild glacier region; hidden crevasses; First Paper presented to the Royal Society

[4.]—Expedition of 1857: the Lake of Geneva.[33]

Blueness of the water; the head of the Lake; appearance of the Rhone; subsidence of particles; Mirage

[5.]—Chamouni and the Montanvert.[37]

Arrival; Coloured Shadows on the snow; Source of the Arveiron; fall of the Vault; "Sunrise in the Valley of Chamouni;" Scratched Rocks; quarters at the Montanvert

[6.]—The Mer de Glace.[42]

Not a Sea but a River of ice; Wave-forms on its surface; their explanation; Structure and Strata; Glacier Tables; first view of the Dirt Bands; influence of Illumination in rendering them visible; the Eye incapable of detecting differences between intense lights

[7.][46]

Measurements commenced; the "Cleft Station" at Trélaporte; Regelation of snow granules; two chamois; view of the Mer de Glace and its Tributaries; Séracs of the Col du Géant; Sliding and Viscous theories; Rending of the ice; Striæ on its surface; White Ice-seams