ICE-CAVES
OF
FRANCE AND SWITZERLAND.



A NARRATIVE OF
SUBTERRANEAN EXPLORATION.



BY THE
REV. G.F. BROWNE, M.A.

FELLOW AND ASSISTANT TUTOR OF ST. CATHARINE'S COLLEGE, CAMBRIDGE;
MEMBER OF THE ALPINE CLUB.


1865.




PREFACE.


The existence of natural ice-caves at depths varying from 50 to 200 feet
below the surface of the earth, unconnected with glaciers or snow
mountains, and in latitudes and at altitudes where ice could not under
ordinary circumstances be supposed to exist, has attracted some