Note 52 — THE LAPSE OF TIME.
Reading edition
See Reports of British Association, 1868, p. 57, and 1869, p. 199, by W. Pengelly, Esq., F.R.S.
Reading edition
See Reports of British Association, 1868, p. 57, and 1869, p. 199, by W. Pengelly, Esq., F.R.S.