Note 574 — Chapter XVI
Reading edition
See Petrif. p. 226, note.
[575] Report of the Brit. Assoc. 1839 and 1841; see also Trans. Geol. Soc. 2d ser. vol. v. p. 515 (1838).
Reading edition
See Petrif. p. 226, note.
[575] Report of the Brit. Assoc. 1839 and 1841; see also Trans. Geol. Soc. 2d ser. vol. v. p. 515 (1838).