SUBTERRANEAN ICE .......................................282

CHAPTER XVIII.

ON THE PRISMATIC STRUCTURE OF THE ICE IN GLACIÈRES .....300

CHAPTER XIX.

ON THE MEAN TEMPERATURE OF THE REGIONS IN WHICH
SOME OF THE GLACIÈRES OCCUR ............................308

APPENDIX ...............................................313




LIST OF ILLUSTRATIONS.


ICE-COLUMNS IN THE GLACIÈRE OF LA GENOLLIÈRE ...........6

ENTRANCE TO THE GLACIÈRE OF S. GEORGES .................24

VERTICAL SECTIONS OF THE GLACIÈRE OF S. GEORGES ........26

LOWER GLACIÈRE OF THE PRÉ DE S. LIVRES .................39

SECTION OF THE LOWER GLACIÈRE OF THE
PRÉ DE S. LIVRES .......................................41