[12] West. Rev., July 1849.
[13] Phil. Trans., L., 1755.
[14] The solution is taken from Mallet’s Account of the Neapolitan Earthquake, vol. i. p. 155.
[15] Neapolitan Earthquake, ii. p. 300.
[16] See Edinburgh Phil. Trans., vol. xxxi.
[17] See Report of British Association, 1858, p. 10.
[18] Meteorologia Endogena, i. p. 306.
[19] See remarks on the Earthquake ‘Push,’ p. 162.
[20] See Researches in Geology and Natural History, p. 374.
[21] ‘The City of Earthquakes,’ H. D. Warner, Atlantic Monthly, March, 1883.