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

by A. C. Seward

[1512] Dawson (71) A. p. 48; (82).

[1513] Kidston (91²) p. 30, Pl. III.; (06) p. 434.

[1514] Baily (75) Pl. XXVIII.

[1515] Carruthers (72²) Pl. II.

[1516] Dawson (71) A.

[1517] Smith and White (05) p. 39.

[1518] Lesquereux (80) A.

[1519] Crépin (74).

[1520] Nathorst (02).

[1521] Schmalhausen (94).