[54] Ibid. Vol. I. p. 271.

[55] Quart. Rev. Vol. XLIII. (Oct. 1830), pp. 411-469 and Vol. LIII. (Sept. 1835), pp. 406-448. Both these reviews are by Scrope. The Review of the 2nd Vol. of the 'Principles,' Q.R. Vol. XLVII. (March 1832), pp. 103-132 is by Whewell.

[56] L.L.L. Vol. I. p. 270.

[57] Ibid. Vol. I. pp. 260-1.

[58] Ibid. Vol. I. p. 314.

[59] Ibid. Vol. I. p. 165.

[60] M.L.D. Vol. II. p. 232 and D.L.L. Vol. II. p. 190.

[61] L.L.L. Vol. I. pp. 316-7.

[62] Proc. Geol. Soc. Vol. I. pp. 302-3.

[63] L.L.L. Vol. II. p. 41.