Observations on a new Species of hard Carbonate of Lime; also on a
new Species of Oxide of Iron. By the Count de Bournon, F.R.S.
and L.S...
Account of the Changes that have happened, during the last Twenty-
five Years, in the relative Situation of Double-stars; with an Inves-
tigation of the Cause to which they are owing. By William Her-
schel, LL.D. 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.
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.
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.
Analytical Experiments and Observations on Lac. By Charles Hat-
chett, Esq. F.R.S.
On the Integration of certain differential Expressions, with which
Problems in physical Astronomy are connected, &c. By Robert
Woodhouse, A.M. F.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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