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Published online by Cambridge University Press: 01 May 2009
A Recent visit to Portugal has given me an opportunity of seeing the geological features of the neighbourhood of Lisbon and the Lower Tagus; and though of a somewhat cursory nature I venture to bring them before the Society, being supplemented by reference to the investigations of previous observers, and a study of the excellent geological maps which are in the library of this Society. I make no pretension to be an original explorer, but I hope to be able to show that there is a very interesting physical history, not hitherto written so far as I am able to discover, bringing down the account of the changes which have taken place from the Cretaceous period to the Recent, or Quaternary, epoch.
Read before the Geological Society, December 6th, 1905.
page 104 note 3 “Carta Geologica de Portugal,” ed. by Riberio, Carlos & Delgado, J. F. N. (1876);Google Scholar “Mapa Geologico de Espanña y Portugal,” by de Botella, D. F. (1879).Google Scholar
page 104 note 4 “On the Geology of Lisbon”: Trans. Geol. Soc., ser. II (1839), and Q.J.G.S., vol. vi, p.134 (1850).Google Scholar
page 104 note 5 “On the Age of the Tertiary Beds of the Tagus”: Q.J.G.S., vol. III, p.410 (1847).Google Scholar
page 105 note 1 Sharpe, ibid., p. 138.
page 105 note 2 Smith, James, Supra cit., pp. 410–423.Google Scholar
page 105 note 3 The Almada Beds rest on the sands and gravels called “Lacustre inferior,” but as they are unfossiliferous their geological age is obscure or unknown.
page 106 note 1 These photographic pictures were then exhibited, but have already been described in the Trans. Vict. Inst., vols. xxxi and xxxii.Google Scholar
page 106 note 2 Nansen, , “ Bathymetrical Features of the North Polar Seas, etc.,” p. 95 (1893-1895).Google Scholar
page 107 note 1 Supra cit., p. 138.
page 109 note 1 “Note sur l' Existence d'anciens Glaciers dans la Vallée du Mondego,” Delgado, par J. F. Nery, extr. des Communicadōes da Direc. dos Tratalhos Geologicos, tome iii (1895).Google Scholar
page 109 note 2 Ibid., tome i, p. 189 (1887).
page 109 note 3 See ProfessorSpencer, J. W. on “Professor Hull's Sub-oceanic Terraces, etc.,” a review, American Geologist, vol. xxxv (03, 1905).Google Scholar
page 109 note 4 Trans. Viet. Inst., vol. xxxi, p. 284, footnote.Google Scholar