Fossil plants, Vol. 2: A text-book for students of botany and geology

by A. C. Seward

[572] Goldenberg (55).

[573] Logan (42) p. 492.

[574] Binney (44); (46).

[575] Bowman (41).

[576] Brown (45); (46); (47); (49). See also Dawson (66).

[577] Hawkshaw (42).

[578] Binney (46) p. 393.

[579] Brown (49). This figure is reproduced by Williamson (87) A. p. 16.

[580] Williamson (87) A. p. 3. Solms-Laubach (91) A. p. 284.

[581] Mellor and Leslie (06).