History of the study of landforms, or the development of geomorphology (London, 1964). See my review in Isis, lvi (1965) 225–6.
2.
See HawkesLeonard, Presidential Address to the Geological Society, Quarterly journal of the Geological Society of London, cxiii (1957) 309–321; and GillulyJames, Bulletin of the Geological Society of America, lx (1949) 561–90.
3.
Principles of geology, 1st ed., ii (London, 1832), 194.
4.
Principles, 8th ed. (London, 1850), 543. The same passage remained through the 12th ed., ii (1875), 240 ff.
5.
Principles, 8th ed., 542–3.
6.
WhitehurstJohn, Inquiry into the original state and formation of the earth, 2nd ed. (London, 1786), 9. One might contend, I suppose, that Whitehurst was being very subtle and meant the opposite of what he said.
7.
Manual of geology (London, 1855), 467.
8.
Quarterly journal of the Geological Society of London, xxv (1869) xxviii–liii.