— SE St 
ee eee eer rl oreo 
CHRONOLOGICAL TABLE OF HIS MEMOIRS. 267. 
1787. Phil. Trans., vol. xxvii—Remarks on the new Comet.—Dis- 
covery of Two Satellites revolving round George’s Planet.—On Three 
Volcanoes in the Moon. 
1788, Phil. Trans., vol. Ixxviiii—On George’s Planet (Uranus) and 
its Satellites. 
1789. Phil. Trans., vol. Ixxix.—Observations on a Comet. Cata- 
logue of a Second Thousand new Nebule and Clusters of Stars.— 
Some Preliminary Remarks on the Constitution of the Heavens. 
1790. Phil. Trans., vol. lxxx.—Discovery of Saturn’s Sixth and 
Seventh Satellites; with Remarks on the Constitution of the Ring, on 
the Planet’s Rotation round an Axis, on its Spheroidal Form, and on 
_ its Atmosphere.—On Saturn’s Satellites, and the Rotation of the Ring 
round an Axis. 
1791. Phil. Trans., vol. Ixxxi.—On the Nebulous Stars and the 
Suitableness of this Epithet. 
1792. Phil. Trans., vol. 1xxxii.—On Saturn’s Ring, and the Rota- 
tion of the Planet’s Fifth Satellite round an Axis.—Mixed Observa- 
tions. 
1798. Phil. Trans., vol. xxxiii.—Observations on the Planet Ve- 
nus, 
1794. Phil. Trans., vol. lxxxiv.—Observations on a Quintuple Band 
in Saturn.—On some Peculiarities observed during the last Solar 
Eclipse.—On Saturn’s Rotation round an Axis. 
1795. Phil. Trans., vol. xxxv.—On the Nature and Physical Con- 
stitution of the Sun and Stars.—Description of a Reflecting Telescope 
forty feet in length. 
1796. Phil. Trans., vol. lxxxvi.—Method of observing the Changes 
that happen to the Fixed Stars; Remarks on the Stability of our Sun’s 
Light.—Catalogue of Comparative Brightness, to determine the Per- 
manency of the Lustre of Stars.—On the Periodical Star a Herculis, 
with Remarks tending to establish the Rotatory Motion of the Stars on 
their Axes; to which is added asecond Catalogue of the Brightness of 
the Stars. 
1797. Phil. Trans., vol. 1xxxvii—A Third Catalogue of the compar- 
ative Brightness of the Stars; with an Introductory Account of an 
Index to Mr. Flamsteed’s Observations of the Fixed Stars, contained 
in the Second Volume of the Historia Ccelestis to which are added 
several useful Results derived from that Index.—Observations of the 
changeable Brightness of the Satellites of Jupiter, and of the Variation 
in their apparent Magnitudes; with a Determination of the Time of 
their rotary Motions on their Axes, to which is added a Measure of the 
Diameter of the Second Satellite, and an Estimate of the comparative 
Size of the Fourth. 
