Climate and Time in Their Geological Relations / A Theory of Secular Changes of the Earth's Climate

by James Croll

[246] “Life on the Earth,” p. 133.

[247] Quart. Journ. Geol. Soc., vol. xi., p. 535.

[248] Ibid., vol. xii., p. 39.

[249] Miller’s “Sketch Book of Practical Geology,” p. 192.

[250] From Geological Magazine, May and June, 1870; with a few verbal corrections, and a slight re-arrangement of the paragraphs.

[251] See Phil. Mag. for November, 1868, p. 374.

[252] See Phil. Mag. for November, 1868, pp. 366−374.

[253] Journ. Geol. Soc., vol. xxi., p. 165.

[254] Specimens of the striated summit and boulder clay stones are to be seen in the Edinburgh Museum of Science and Art.

[255] Phil. Mag. for April, 1866.