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

by A. C. Seward

[375] Penhallow (96).

[376] loc. cit. p. 83.

[377] Dawson (59), also (71) p. 17.

[378] Penhallow (89) and (96) p. 46.

[379] Barber (92) p. 336.

[380] Penhallow (89) and (93).

[381] Dawson (81) p. 302.

[382] Barber (92).

[383] Hicks (81) p. 490.

[384] Lake (95) p. 22.