SECTION THIRD.

Lunar influence rejected by the learned--Their conclusions not
valid--Modifying causes in accordance with these principles--Years and
seasons vary in character--Superficial temperature of different
Planets--No storms on the planet Mars--Rotation the cause of Ocean and
Atmospheric Currents--Pressure of the atmosphere and its regular and
irregular variations--Terrestrial Magnetism--Internal Constitution of
the Globe--Magnetic variations--Cause of these variations--Magnetic
storms--Aurora Borealis: its altitude--Earthquakes; their possible
connection with Storms. 101


SECTION FOURTH.

The solar spots--Law of periodicity compared with the theory--Existence
of another planet beyond Neptune probable--Masses of the Sun and
Planet yet uncertain--The Law of Gravitation not above
suspicion--Proofs of this--The full of the Moon--Density of the
Ethereal Medium: its law in the Solar Vortex--Bode's law of the
planetary distances--Law of planetary density--Law connecting the
present and former diameters of the planets--Disturbing action of the
Ether--Kepler's third law not rigidly exact--Inconsistencies of
Astronomers--Nature of light and heat--Distinction between light and
heat. 147


SECTION FIFTH.

Comets--Their small inclinations--Their motions chiefly direct--Comet of