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16 Phillips, J. — The Rivers, Mountains and Sea-coast of 
Yorkshire. 8vo. London. Ed. 2, 1855. 
17 A Map of the Principal Features of the Geology of 
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18 — Excursions in Yorkshire by the North Eastern Rail- 
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19 ■ On some of the Relations of Archaeology to Physical 
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20 Piggott, G. W. (G. W. Royston Pigott). — On the Harro- 
gate Spas : A handbook to the Nature and Uses of the 
Waters, with a brief commentary on the Medical action 
of the saline combinations exhibited in Professor Hof- 
mann's analytical report. Ed. 1 and 2. 8vo. London, 
1853. Ed. 3. Pp. 77. 8vo. 1855. New and enlarged 
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21 Rose, A. — [See G. Merry weather] . 
22 Sedgwick, A. — Geology of the Lake District of Cumber- 
land, Westmorland and Lancashire in Letters addressed 
to W. Wordsworth. Pp. 104. 12mo. Kendal. Ed. 1, 
1842 ? Ed. 2, 1843. Two additional Letters in this 
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23 Sorby, H. C. — On the Microscopical Structure of some 
British Tertiary and Post-Tertiary Freshwater Marls and 
Limestones. [Holderness]. Quart. Journ. Geol. Soc, 
vol. ix., pp. 344, 346. 
24 Thorpe, W. — On the Diluvial and Gravel Beds of York- 
shire and Nottinghamshire. Proc. Yorks. Geol. Soc, 
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25 West, T. — On certain Cavities in the Limestone District 
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26 Woods, S. V. — A Monograph of the Crag Mollusca, with 
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196]. Monogr. Pal. Soc, vol. vii., for the year 1853. 
27 Wordsworth, W. — [See A. Sedgwick, and also under 1843]. 
