[82] Prof. A. D. Bache, United States Coast Survey Report, 1855, p. 342.

[83] United States Coast Surrey Report, or Am. Jour. Sci. vi. p. 77.

[84] Petermann’s Mittheilungen, 1877, Heft xii. S. 454, and Nova Acta der Ksl. Leop. Carol. Deutschen Acad. d Naturforscher, Band xl. No. 9.

[85] J. Milne: ‘Peruvian Earthquake of May 9, 1877.’ See Trans. Seis. Soc. of Japan, vol. ii.

[86] Report of British Association, 1847, p. 84.

[87] Das Erdbeben von Herzogenrath, &c., p. 134.

[88] Phil. Trans. vol. li.

[89] See Am. Jour. Sci. 1872.

[90] David Milne says that ‘out of 110 shocks recorded in England, thirty-one originated in Wales, thirty-one along the south coast of England, fourteen on the borders of Yorkshire and Derbyshire, and five or six in Cumberland.’

[91] E. Suess, Die Erdbeben Niederösterreiches.