Note 71 — Chapter VIII · PRE-CAMBRIAN VOLCANOES
Reading edition
Geol. Mag. (1882) p. 563, (1886) p. 319, (1887) p. 78, (1888) p. 484; and a joint paper with Mr. W. W. Watts on the Geology of South Shropshire, Proc. Geol. Assoc. vol. xiii. (1894) pp. 302, 335.