Note 30 — The Establishment of Solar Climates.
Reading edition
Climatic changes indicated by Glaciers.
Prof. I. C. Russell, Am. Geologist, May, 1892, vol. ix, No. 5. In addition to the very extensive list of authorities there quoted by Prof. Russell, see also Report of The British Ass’n. 1881, p. 742.
Life of Agassiz, Vol. II, pp. 717 to 729 and pp. 743 to 747.