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

by A. C. Seward

[785] Ibid. Pl. LI.

[786] Sternberg (21), Pl. XII.

[787] Weiss (84), p. 61.

[788] Ettingshausen (55), Pl. I. fig. 4.

[789] Ettingshausen, loc. cit.

[790] Grand’Eury (69), p. 709.

[791] Feistmantel (75), Pl. I. fig. 8.

[792] Williamson (74), Pl. VII. fig. 45.

[793] Weiss (76), Pl. XVII. figs. 1 and 2.

[794] Weiss (84), Pl. XVI a. figs. 10 and 11.