Note 336 — Chapter XVII
Reading edition
Geol. Mag. for 1883, pp. 100, 145, 252; and British Petrography, pp. 272, 278.
[337] Notes by Dr. Hatch.
Reading edition
Geol. Mag. for 1883, pp. 100, 145, 252; and British Petrography, pp. 272, 278.
[337] Notes by Dr. Hatch.