Saussure, abundantly establish.
In the way of explanation, Reich mentions the possibility of rocks of
peculiar formation possessing actually a low degree of temperature;[140]
but he rejects this suggestion, preferring to believe that in some cases
the cold resulting from evaporation is the cause of ice, and in others
the greater specific gravity of cold as compared with warmer air.
In the _Bulletin des Sciences Naturelles_,[141] it is stated that a
large quantity of ice is found in one of the recesses of the grotto of
Antiparos--a fact which I have not seen mentioned elsewhere. After
penetrating a long way through difficult fissures, a square chamber is
at length reached, measuring 300 feet in length and breadth, with a
height of about 80 feet. The walls and roof and floor are beautifully
decorated with ice, and reflect all the colours of the rainbow. There
are groups of pyramidal and round columns, and in some parts of the cave
screens or curtains of ice 10 or 12 feet broad hang down to the floor.
In a later volume of the same periodical,[142] there is a description of
a hill in Virginia where ice is found in summer.
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