We were all disappointed by the actual size of
the ice-fall which it had cost us so much time and trouble to descend,
the distance from the first step to the last being only 26 feet: as
this, however, was given by a string stretched from the one point to the
other, and not following the concave surface of the ice, the real
distance was something more than this.
It was now getting rather late, considering the journey one of us had
yet to perform, and we walked quickly away from the glaciere, agreeing
that it was not improbable that in that part of the Jura there might be
many hidden caves containing more or less ice, with no entrance from the
world outside, except the fissures which afford a way for the water. The
entrance to this cave was so small, that the same physical effect might
well be produced by one or two cracks in the rock, such as every one is
well acquainted with who has walked on the fissured limestone summits
of the lower mountains; and, indeed, Renaud positively affirmed that at
the time of his former visit there was not even this entrance to the
lower cave, for the ice-stream reached then a higher point of the wall,
and completely filled and hid the arch we had discovered.
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