[1013] Dr. Rennie, on Peat, p. 521; where several other instances are referred to.
[1014] Phil. Trans., vol. xxxviii. 1734.
[1015] Dr. Rennie, on Peat, &c., p. 521.
[1016] Syst. of Geol. vol. ii. pp. 340-346.
[1017] Ibid. p. 531.
[1018] Phil. Trans. vol. xv. p. 949.
[1019] Gilpin, Observ. on Picturesque Beauty, &c., 1772.
[1020] Travels, &c., in 1841, 1842, vol. i. p. 143.
[1021] Bulletin de la Soc. Géol. de France, tom. ii. p. 26.
[1022] Dr. Rennie, Essays on Peat Moss, p. 205.