652 STRATIGRAPHICAL GEOLOGY 



20 H. J. 0. White, "Geology of the Country around Hungerford," Mem. 

 Geol. Survey, p. 85 (1907). 



21 "The Geology of London," by W. Whitaker, Mem. Geol. Survey (1889). 



22 "The Geology of Cambridge," Mem. Geol. Survey, p. 82 (1881). 



23 C. Reid, Rep. Brit. Assoc. for 1896, p. 400. 



24 C. Reid, Geol. Mag. for 1897, p. 229. 



23 See J. M. Mellow, Quart. Journ. Geol. Soc. vol. xxxii. p. 240 and vol. 

 xxxiii. p. 589. 



26 H. Hicks on "Bone Caves in North Wales," Quart. Journ. Geol. Soc. 

 vol. xlii. p. 3 and xliv. p. 561. 



27 See W. A. E. Ussher in Geol. Mag. for 1879, p. 166, and A. R. Hunt, 

 Trans. Dev. Assoc. vol. xx. p. 225 (1888). Also "Geology of Torquay," 

 Mem. Geol. Survey (1903). 



28 W. C. Brogger in Geol. Mag. for 1902, p. 317. 



29 F. W. Harmer, Quart. Journ. Geol. Soc. vol. Ivii. p. 405 (1901). 



30 C. Reid, "Climate of Europe during the Glacial Period," Natural 

 Science, vol. i. p. 427 (1892). 



