No CrossRef data available.
Published online by Cambridge University Press: 01 May 2009
page 529 note 1 Stamp, L.Dudley, An Introduction to Stratigraphy, 1922, p. 22.Google Scholar
page 529 note 2 Coleman, A. P., Ice Ages, Recent and Ancient, 1926, p. xxii.Google Scholar
page 529 note 3 , H. J. F. “Some New Work on the History of the Earth's Surface”: Geographical Teacher, 1925, p. 192.Google Scholar
page 531 note 1 Osborn, H. F., Age of Mammals, 1910, p. 67Google Scholar, and subsequent work in Mongolia.