Note 156 — Chapter XXXIII
Reading edition
Geological Essays at Home and Abroad (1882), pp. 271, 274; Nature, November 1880.
[157] Trans. Roy. Soc. Edin. vol. xxxv. part ii. (1888), pp. 23-184.
Reading edition
Geological Essays at Home and Abroad (1882), pp. 271, 274; Nature, November 1880.
[157] Trans. Roy. Soc. Edin. vol. xxxv. part ii. (1888), pp. 23-184.