In the same volume (p. 331,--Dr. Boue says p. 33), two accounts are
given of a natural ice-house near the summit of a hill in the
neighbourhood of Williamstown (Mass.). In the next volume there is a
further account of it by Professor Dewey, stating that since the trees
in the neighbourhood had been cut, the snow and ice had disappeared
each year about the first of August.
In vol. xlvi. (p. 331) an ice mountain in Wallingford, Rutland County
(Vt.), is described, which is ordinarily known in the neighbourhood as
the ice-bed. An area of thirty or fifty acres of ground is covered with
massive _debris_ of grey quartz from the mountains which overhang it;
and here--especially in a deep ravine into which many of the falling
blocks of stone have penetrated--ice is found in large quantities. It
appears to be formed during the melting of the snow in February, March,
and April, and vanishes in the course of the summer, in hot years as
early as the last days of June.
These descriptions call to mind the Glaciere of Arc-sous-Cicon, in which
many of the features of the American ice-caves are reproduced.
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