Note 486 — Chapter XIII
Reading edition
Geol. Trans, vol. ii. p. 208. See also Bd. pl. xlv, fig. 12; and Burmeister, pl. vi.
[487] Murch. Sil. Syst. p. 665.
[488] Ibid. p. 667.
Reading edition
Geol. Trans, vol. ii. p. 208. See also Bd. pl. xlv, fig. 12; and Burmeister, pl. vi.
[487] Murch. Sil. Syst. p. 665.
[488] Ibid. p. 667.