Page images
PDF
EPUB

CONTENTS.

4

[ocr errors]

10

11

18

...

[ocr errors]
[blocks in formation]
[blocks in formation]

......

[blocks in formation]

Account of an Elephant's Tusk, in which the Iron Head of a Spear
was found imbedded. By Mr. Charles Combe

[blocks in formation]

Analysis of the Arseniates of Copper, and of Iron, described in the

ceding Paper; likewise an Analysis of the red octaedral Copper Ore

of Cornwall; with Remarks on some particular Modes of Analysis.

By Richard Chenevix, Esq. M.R.I.A.

A Historical and Anatomical Description of a doubtful amphibious

Animal of Germany, called, by Laurenti, Proteus Anguinus. By

Charles Schreibers, M.D.

Observations tending to investigate the Nature of the Sun, in order to

find the Causes or Symptoms of its variable Emission of Light and

Heat; with Remarks on the Use that may possibly be drawn from

Solar Observations. By William Herschel, LL.D. F.R.S.

Observations on the Structure, and Mode of Growth, of the grinding

Teeth of the Wild Boar, and Animal incognitum. By Everard

Home, Esq. F.R.S.

Account of some Experiments on the Ascent 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.

Additional Observations tending to investigate the Symptoms of the

variable Emission of the Light and Heat of the Sun; with Trials to

set aside darkening Glasses, by transmitting the Solar Rays through

Liquids; and a few Remarks to remove Objections that might be

made against some of the Arguments contained in the former Paper.

By William Herschel, LL.D. F.R.S.

On an improved Reflecting Circle. By Joseph de Mendoza Rios, Esq.

F.R.S.

Observations and Experiments upon Dr. James's Powder; with a

Method of preparing, in the humid Way, a similar Substance. By

Richard Chenevix, Esq. F.R.S. M.R.I.A.

[ocr errors]
[blocks in formation]
« PreviousContinue »