[18] "Hist.," p. 360.
[19] "Founders of Geology," p. 112.
[20] "Origin," Vol. II., p. 58: Sixth Ed. The first edition, I believe, contains the same language.
[21] "Text-Book," p. 842.
[22] Canadian "Annual Report," New Series, Vol. II., Part A, p. 8.
[23] "Annual Report," New Series, Vol. V., Part D, p. 52.
[24] "Manual," p. 367.
[25] "Ancient Life-History of the Earth," p. 40.
[26] "Text-Book," p. 837, Ed. of 1903.
[27] "Annual Report," New Series, Vol. II., Part D, pp. 33-34.