Fossil plants, Vol. 1: [A text-book] for students of botany and geology

by A. C. Seward

[55] Woodward, H. B. (87), p. 197.

[56] Hinde and Fox (95), p. 662.

[57] Kidston (94).

[58] Vide Zeiller (92) for a list of species of Coal-Measure plants found in the pieces of shale included in the core brought up by the borer.

[59] Jukes-Browne (86), p. 252.

[60] Kayser and Lake (95), p. 196.

[61] Neumayr (83).

[62] Woodward, H. B. (87), p. 255.

[63] Kayser and Lake (95), p. 326.

[64] Huxley (93), p. 27.