separated matter, such as stones, gravel, clay-dust, and gas.

II. The nucleus gives out great heat and masses of burning gas.

III. Luminous gases surround the nucleus.

IV. The drift-clays are the result of the grinding up of granitic
rocks.

V. No such deposits, of anything like equal magnitude, could have
been formed on the earth.

[1. "The Great Ice Age," p. 13.]

{p. 81}

VI. No such clays are now being formed under glaciers or Arctic
ice-sheets.

VII. These clays were ground out of the substance of the comet by the
endless changes of position of the material of which it is composed
as it flew through space, during its incalculable journeys in the
long reaches of time.

VIII. The earth-supplies of gravel are inadequate to account for the
gravel of the drift-deposits.

IX. Neither sea-beach nor rivers produce stones like those found in
the Drift.