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viii
1804.
- The Bakerian Lecture. Experiments and Calculations relative to physical Optics. By Thomas Yonng, M.D. F.R.S
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.
133
- 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 Snlphuret of Copper. By the Count deBaurnon, F.R.S.. and L. S.
134
- Analysis of a triple Sulphnret, of Lead, Antimony, and Copper, from Cornwall. By Charles Hatchett, Esq. F.R.S.
138
- 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
138
- An Inquiry concerning the Nature of Heat, and the Mode of its Commnnication. By Benjamin Count of anford, V.P.R.S.
139
- 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
147
- Analytical Experiments and Observations on Lac. By Charles Hatchett, Esq. F.R.S.
148
- On the Integration of certain differential Expressions, with which Problems in physical Astronomy are connected, &c. By Robert Woodhonse, .M. F.R.S.
150
- 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.
151
- 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. “'ith a Description of the Structure of the Parts which perform that Oflice. 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.
158
- Observations on the Change of some of the proximate Principles of Vegetables into Bitumen; with analytical Experiments on a peculiar Substance which is found with the Bovey Coal. By Charles Hatchctt, Esq. F.R.S.
159
