BIBLIOGRAPHY OF YORKSHIRE GEOLOGY. 
:>5 
Rev. G. Young, from Materials chiefly furnished by- 
Mr. J. Bird. Phil. Mag., vol. li., pp. 206-214. 
1819. 
1 Bigland, John. — A Topographical and Historical Des- 
cription of the County of York [being part of the work 
lately completed, ' The Beauties of England and Wales ']. 
London. 8vo. Pp. viii. + 9-58. 
2 Farey, J. — On the Importance of knowing and accurately 
discriminating Fossil-Shells, as the means of identifying 
particular Beds of the Strata, in which they are inclosed : 
with a list of 279 Species or Varieties of Shells, of which 
the several Stratigraphical and Geographical Localities 
are mentioned. ... [A few Yorkshire species]. 
Phil. Mag., vol. liii., pp. 112-132. 
3 Free Remarks on the Geological Work of Mr. Green- 
ough. [Speeton Cliffs, p. 129]. Ibid. Vol. liv. Pp. 127 
132. 
4 A Stratigraphical or Smithian Arrangement of the 
Fossil Shells, which were described (in Latin) by Martin 
Lister in 1678, in the 3rd Tract of his ' Historian Animalmm 
Angliae,' occupying there 78 pages of very small quarto, 
with 4 plates, containing 64 Figures of Shells. Ibid. 
Pp. 133-138. 
5 Hunter, Adam. — An Essay on Two Mineral Springs 
recently discovered at Harrogate ; and on the Springs of 
Thorpe-arch and Ilkley ; including the history, chemical 
analysis, and medicinal properties of these waters, with 
some observations on their use. Pp. iv., 134. 8vo. 
Leeds and London. 
6 Mackenzie, P. — Practical Observations on the Medical 
Powers of the most celebrated Mineral Waters, and of 
the various modes of Bathing. Pp.151. 12mo. London. 
7 Young, G. — [Letter, on] the Discovery of Fossil Remains 
[Ichthyosaurus!^ near Whitby. (Geol. Soc), Ann. of 
Phil. Vol. xiii. P. 379. 
1820. 
1 Anon. — Aire and Calder Canal. An Act to enable the 
Aire and Calder Navigation to make a Canal from 
Knottingley to Goole. 
