through Liquids, and a few Remarks to remove Objections
that might be made against some of the Arguments contained in the
former paper.

1802. _Phil. Trans._, vol. xcii.--Observations on the two lately
discovered celestial Bodies (Ceres and Pallas).--Catalogue of 500
new Nebulae and Clusters of Stars, with Remarks on the Construction
of the Heavens.

1803. _Phil. Trans._, vol. xciii.--Observations of the Transit of
Mercury over the Disk of the Sun; to which is added an
Investigation of the Causes which often prevent the proper Action
of Mirrors.--Account of the Changes that have happened during the
last Twenty-five Years in the relative Situation of Double Stars;
with an Investigation of the Cause to which they are owing.

1804. _Phil. Trans._, vol. xciv.--Continuation of an Account of the
Changes that have happened in the relative Situation of Double
Stars.

1805. _Phil. Trans._, vol. xcv.--Experiments for ascertaining how
far Telescopes will enable us to determine very small Angles, and
to distinguish the real from the spurious Diameters of Celestial
and Terrestrial Objects: with an Application of the Result of these
Experiments to a Series of Observations on the Nature and Magnitude
of Mr. Harding's lately discovered Star.--On the Direction and
Velocity of the Motion of the Sun and Solar System.--Observation on
the singular Figure of the Planet Saturn.

1806. _Phil. Trans._, vol. xcvi.--On the Quantity and Velocity of
the Solar Motion.--Observations on the Figure, the Climate, and the
Atmosphere of Saturn and its Ring.

1807. _Phil. Trans._, vol. xcvii.--Experiments for investigating
the Cause of the Coloured Concentric Rings, discovered by Sir Isaac
Newton between two Object-glasses laid one upon
another.--Observations on the Nature of the new celestial Body
discovered by Dr. Olbers, and of the Comet which was expected to
appear last January in its Return from the Sun.

1808. _Phil. Trans._, vol. xcviii.--Observations of a Comet, made
with a view to investigate its Magnitude, and the Nature of its
Illumination. To which is added, an Account of a new Irregularity
lately perceived in the Apparent Figure of the Planet Saturn.

1809. _Phil. Trans._, vol. xcix.--Continuation of Experiments for
investigating the Cause of Colo