Natural Ice House of Northford, Connecticut. (Benjamin Silliman, American Journal of Science and Arts, 1822, vol. IV., page 177.)—About 11 kilometers from New Haven on the Middletown road between Branford and Northford, is a gorge where ice remains throughout the year. In this case the ice is mixed with a considerable quantity of leaves and dirt; it has sometimes been brought to New Haven.
Ice in an Old Iron Mine, near Port Henry, Lake Champlain. (Geology of Vermont, 1861, vol. I., page 199.)—Ice was found during the summer at a depth of from 15 meters to 30 meters, and a current of cold air was issuing from the opening. There seems to be more than one opening to the mine.
Freezing Talus on Lower Ausable Pond, Essex County, New York.—Described in Part I., [page 79].
Freezing Talus at the South Base of the Giant of the Valley, Essex County, New York.—Described in Part I., [page 81].
Freezing Boulder Talus, Indian Pass, New York. See Part I., [page 83].
Freezing Boulder Talus, Avalanche Pass, New York.—See Part I., [page 83].
Freezing Cave near Carlisle, New York.—See Part I., [page 93].
Ice among the Catskill Mountains, New York.—Mr. George Brinton Phillips informs me that he has seen subterranean ice in August among boulders in a gorge in the Catskills near the Stony Cloves road, starting out from Haines’ Falls. The people in the neighborhood speak of the place as an ice cave.
Gorge in the Shawangunk Mountains, near Ellenville, Ulster County, New York. Described in Part I., [page 91]. (Heilprin, Around the World, 1894, page 194.)—Professor Heilprin found in July a mass of ice measuring about thirty meters in length and 1 meter in depth. The thermometer near the ice read about 1° C. above freezing point, the day being hot. Icicles hung from the ledges on the side of the gorge.