The nummulosphere ...
by R. Kirkpatrick ...
- London, Lamley & co., 1913-17.
- 3 v. illus., plates, photos. 22 cm.
[pt. 1] An account of the organic origin of so-called igneous rocks and of abyssal red clays.--pt. 2. The genesis of the igneous rocks and of meteorites (plankton and benthos)--pt. 3. The ocean floor or benthoplankton.