Note 56 — III.
Reading edition
Among those who have written or said that the cold of winter plays a more or less important part in the formation of subterranean ice may be mentioned: Poissenot, 1586; Gollut, 1592; DeBoz, 1726; Nagel, 1747; Cossigny, 1750; Jars, 1774; Hacquet, 1778; Girod-Chantrans, 1783; Hablizl, 1788; Prévost, 1789; Townson, 1797; Humboldt, 1814; Dearborn, 1822; Deluc, 1822; Dewey, 1822; Lee, 1824; Reich, 1834; Hayden, 1843; Guyot, 1856; Rogers, 1856; Petruzzi, 1857; Smyth, 1858; Hager, 1861; Thury, 1861; Browne, 1865; Raymond, 1869; Krenner, 1874; Ritchie, 1879; Benedict, 1881; Schwalbe, 1881; Fugger, 1883; Trouillet, 1885; Girardot, 1886; Russell, 1890; Martel, 1892; Krauss, 1894; Lohmann, 1895; Balch, 1896; Cvijic, 1896; Butler, 1898; Kovarik, 1898; Cranmer, 1899.