983

The formation of mountains.

OF THE SEA WHICH ENCIRCLES THE EARTH.

I find that of old, the state of the earth was that its plains were all covered up and hidden by salt water. [Footnote: This passage has already been published by Dr. M. JORDAN: Das Malerbuch des L. da Vinci, Leipzig 1873, p. 86. However, his reading of the text differs from mine.]

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

Notebooks of Leonoardo da Vinci

XVI: Physical Geography.

. . .

Observations in support of the hypothesis.

963,

964,

965,

966,

967,

968,

On the way in which the sources of rivers are fed.

The tide in estuaries.

confluence.

972,

973,

Whirlpools.

On the alterations in the channels of rivers.

The origin of the sand in rivers.

977,

The formation of mountains.

979,

980,

981,

982,

The authorities for the study of the structure of the earth.

984,

Doubts about the deluge.

That marine shells could not go up the mountains.

The marine shells were not produced away from the sea.

Further researches.

989,

990,

Other problems.

992,

993,

Constituents of the atmosphere.

On the motion of air.

996,

997,

998,

The globe an organism.

. . .