On the Independence of the analytical and geometrical Methods of
Investigation; and on the Advantages to be derived from their
Separation. By Robert Woodhouse, A.M.
Observations and Experiments upon oxygenized and hyperoxygenized
Muriatic Acid; and upon some Combinations of the Muriatic Acid in
its three States. By Richard Chenevix, Esq. F.R.S. and M.R.I.A..
Experiments and Observations on certain Stony and Metalline Sub-
stances, which at different Times are said to have fallen on the
Earth; also on various Kinds of native Iron. By Edward Howard,
Esq. F.R.S. . . .
Observations on the two lately discovered celestial Bodies. By William
Herschel, LL.D. F.R.S.
Description of the Corundum Stone and its Varieties, commonly known
by the Names of Oriental Ruby, Sapphire, &c.; with Observations
on some other Mineral Substances. By the Count de Bournon, F.R.S.
Analysis of Corundum, and of some of the Substances which accom-
pany it; with Observations on the Affinities which the Earths have
been supposed to have for each other, in the humid Way. By
Richard Chenevix, Esq. F.R.S. and M.R.I.A.
Description of the Anatomy of the Ornithorhynchus Hystrix. By
Everard Home, Esq. F.R.S.
A Method of examining refractive and dispersive Powers, by prismatic
Reflection. By William Hyde Wollaston, M.D. F.R.S. . .
On the oblique Refraction of Iceland Crystal. By William Hyde
Wollaston, M.D. F.R.S.
Experiments on the Quantity of Gases absorbed by Water, at different
Temperatures, and under different Pressures. By Mr. William Henry 103
Experiments and Observations on the various Alloys, on the specific
Gravity, and on the comparative Wear of Gold. Being the Sub-
stance of a Report made to the Right Honourable the Lords of the
Committee of Privy Council, appointed to take into Consideration
the State of the Coins of this Kingdom, and the present Establish-
ment and Constitution of His Majesty's Mint. By Charles Hatchett,
Esq. F.R.S..
Observations on the chemical Nature of the Humours of the Eye. By
Richard Chenevix, Esq. F.R.S. and M.R.I.A.
An Account of some Stones said to have fallen on the Earth in France;
and of a Lump of native Iron, said to have fallen in India. By the
Right Hon. Charles Greville, F.R.S. ...
Observations on the Structure of the Tongue; illustrated by Cases in
which a Portion of that Organ has been removed by Ligature. By
Everard Home, Esq. F.R.S.
An Account of the Measurement of an Arc of the Meridian, extending
from Dunnose, in the Isle of Wight, Latitude 50° 37' 8", to Clifton
in Yorkshire, Latitude 53° 27' 31", in course of the Operations car-
ried on for the Trigonometrical Survey of England, in the Years
1800, 1801, and 1802. By Major William Mudge, F.R.S.
The Bakerian Lecture. Experiments and Calculations relative to phy-
sical Optics. By Thomas Young, M.D. F.R.S. . . page 131
Continuation of an Account of a peculiar Arrangement in the Arteries
distributed on the Muscles of slow-moving Animals, &c. In a Letter
from Mr. Anthony Carlisle to John Symmons, Esq. F.R.S...... 132
An Account of a curious Phenomenon observed on the Glaciers of
Chamouny; together with some occasional Observations concerning
the Propagation of Heat in Fluids. By Benjamin Count of Rumford,
V.P.R.S.
Description of a triple Sulphuret, of Lead, Antimony, and Copper,
from Cornwall; with some Observations upon the various Modes of
Attraction which influence the Formation of Mineral Substances,
and upon the different Kinds of Sulphuret of Copper. By the Count
de Bournon, F.R.S. and L.S...
Analysis of a triple Sulphuret, of Lead, Antimony, and Copper, from
Cornwall. By Charles Hatchett, Esq. F.R.S...
Observations on the Orifices found in certain poisonous Snakes, situated
between the Nostril and the Eye. By Patrick Russell, M.D. F.R.S.
With some Remarks on the Structure of those Orifices; and the
Description of a Bag connected with the Eye, met with in the same
Snakes. By Everard Home, Esq. F.R.S..
An Inquiry concerning the Nature of Heat, and the Mode of its Com-
munication. By Benjamin Count of Rumford, V.P.R.S. . . . . . .
Experiments and Observations on the Motion of the Sap in Trees. In
a Letter from Thomas Andrew Knight, Esq. to the Right Hon. Sir
Joseph Banks, Bart. K.B. P.R.S.
Observations on Basalt, and on the Transition from the vitreous to the
stony Texture, which occurs in the gradual Refrigeration of melted
Basalt; with some geological Remarks. In a Letter from Gregory
Watt, Esq. to the Right Hon. Charles Greville, V.P.R.S.
An Analysis of the magnetical Pyrites; with Remarks on some of the
other Sulphurets of Iron. By Charles Hatchett, Esq. F.R.S. . . . 155
Remarks on the voluntary Expansion of the Skin of the Neck, in the
Cobra de Capello or hooded Snake of the East Indies. By Patrick
Russell, M.D. F.R.S. With a Description of the Structure of the
Parts which perform that Office. By Everard Home, Esq. F.R.S. . 157
Continuation of an Account of the Changes that have happened in the
relative Situation of double Stars. By William Herschel, LL.D.
F.R.S...
Observations on the Change of some of the proximate Principles of
Vegetables into Bitumen; with analytical Experiments on a pecu-
liar Substance which is found with the Bovey Coal. By Charles
Hatchett, Esq. F.R.S.
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