.54 F. lower than in shafts some hundred feet
higher; and the _Weiss Adler_ adit, on the left declivity of the valley
of the Schwarzwasser, above the Antonshuette. It would appear that there
are local causes which affect the temperature in the Erzgebirge, for
Reich found that in several places the mean temperature of the soil was
higher than that of the air: for instance--
Soil. Air. Height above the sea.
Altenberg ... 42.732 deg. Fahr. 41.27 deg. 2,450 feet
Markus Roehling ... 43.542 deg. " 41.832 deg. 1,870"
Johanngeorgenstadt. 43.115 deg. " 41.09 deg. 2,460"
The temperature at Markus Roehling is peculiarly anomalous, considering
the elevation of the surface above the sea.
There is said to be an ice-cave in Nassau, but I have been unable to
obtain any account of it, unless it be the same as the _ice-field_
mentioned on page 303.
There is a cave in the south-east of Hungary[171] which presents the
same features as several of the glacieres I have visited. It is called
the Ice-hole of Scherisciora, and is described as lying in the
Jura-kalk, at a distance of 2-1/2 hours north-east from the
forest-house of Distidiul.
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