Note 100 — Chapter VIII
Reading edition
Ward, Repts. and Bulletins Am. Geol. Survey.
[101] Lesquereux's Tertiary Flora; White and Ward on the Laramie Group; Stevenson, Geological Relations of Lignitic Groups, Am. Phil. Soc., June, 1875.
[102] G. M. Dawson, Report on the Geology of the Forty-ninth Parallel, 1875, where full details on these points may be found.
[103] Nature, Dec. 12th, 1878; Publications Palæontographical Society; Reports to British Association. It seems certain that the so-called Miocene of Bovey Tracey in Devon, and of Mull in Scotland, is really Eocene. The Tertiary plant-bearing beds of Greenland are said by Nathorst to rest unconformably on the Cretaceous, and are characterized by M'Clintockia and other forms known in the Eocene of Great Britain and Ireland.