Note 507 — Chapter XXIII
Reading edition
See Neues Jahr Buch for 1846, and a translation in the Quarterly Journ. of the Geol. Soc. for 1847, vol iii. p. 20, Memoirs.
Reading edition
See Neues Jahr Buch for 1846, and a translation in the Quarterly Journ. of the Geol. Soc. for 1847, vol iii. p. 20, Memoirs.