Experiments on the Refrangibility of the invisible Rays of the Sun.
By William Herschel, LL.D. F.R.S.
Experiments on the solar, and on the terrestrial Rays that occasion
Heat; with a comparative View of the Laws to which Light and
Heat, or rather the Rays which occasion them, are subject, in order
to determine whether they are the same, or different. By William
Herschel, LL.D. F.R.S.
Chemical Experiments on Zoophytes; with some Observations on the
component parts of Membrane. By Charles Hatchett, Esq. F.R.S....
On the Electricity excited by the mere Contact of conducting Sub-
stances of different Kinds. In a Letter from Mr. Alexander Volta,
F.R.S. to the Right Hon. Sir Joseph Banks, Bart. K.B. P.R.S.
Some Observations on the Head of the Ornithorhynchus paradoxus.
By Everard Home, Esq. F.R.S.
Experiments on the solar, and on the terrestrial Rays that occasion
Heat; with a comparative View of the Laws to which Light and
Heat, or rather the Rays which occasion them, are subject, in order
to determine whether they are the same, or different. By William
Herschel, LL.D. F.R.S. Part II.
An Account of the Trigonometrical Survey, carried on in the Years
1797, 1798, and 1799, by Order of Marquis Cornwallis. By Capt.
William Mudge, F.R.S..........