[172] The peasants
assert that the snow and ice disappear from this pit in September, and
do not reappear before June. The Swiss peasants have never yet got so
far as to say that the _snow_ in their pits disappears in winter and
returns in summer. Boue[173] found the temperature of the bottom of the
pit to be 28 deg..4 F., while that of the air outside was 76 deg. F. The same
writer[174] mentions a source in a mill-stone quarry in Bosnia which is
frozen till the end of June.
FOOTNOTES:
[Footnote 122: Several of these caves are referred to by Reich,
_Beobachtungen ueber die Temperatur des Gesteins in verschiedenen Tiefen
in den Gruben des Saechsischen Erzgebirges;_ Freiberg, 1834.]
[Footnote 123: _Naturwunder des Oesterr. Kaiserthums_, iii. 40.]
[Footnote 124: _Mittheil. des Oesterr. Alpen-Vereins_, ii. 441. I am
indebted to G.C. Churchill, Esq., one of the authors of the well-known
book on the Dolomite Mountains, for my knowledge of the existence of
this cave, and of the Kolowrathoehle.]
[Footnote 125: _Beschreibung merkwuerdiger Hoehlen_, ii.
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