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Experiments made on a piece of Peña silver, saved from the Lady

Charlotte, wrecked on the coast of Ireland in December 1838, as

to its capability of holding water. By W. D. Haggard, Esq... page 119

On the Application of the Conversion of Chlorates and Nitrates into

Chlorides, and of Chlorides into Nitrates, to the determinations of

several equivalent numbers. By Frederick Penny, Esq............... 119

Some account of the Art of Photogenic Drawing, or the Process by

which Natural Objects may be made to delineate themselves with-

out the aid of the Artist's Pencil. By H. F. Talbot, Esq. F.R.S.... 120

Notice of a Shock of an Earthquake felt in the Island of St. Mary's,

one of the Scilly Islands, on the 21st of January, 1839, in a letter ad-

dressed to the Secretary. By the Rev. George Wordley ....

Researches on the Chemical Equivalents of certain Bodies. By

Richard Phillips, Esq. F.R.S.

Some Account of the Hurricane of the 7th of January, 1839, as it was

experienced in the neighbourhood of Dumfries, in a letter addressed

to P. M. Roget, M.D. Secretary to the Royal Society. By P. Gar-

den, Esq.......

An Account of the Processes employed in Photogenic Drawing, in a

letter to S. Hunter Christie, Esq. Sec. R.S. By H. Fox Talbot,

Esq. F.R.S...

A Description of a Hydropneumatic Baroscope. By J. T. Cooper, Esq.

Lecturer on Chemistry

Observations on the Parallel Roads of Glen Roy, and of other parts

of Lochaber, with an attempt to prove that they are of Marine

Origin. By Charles Darwin, Esq. M.A. F.R.S. Sec. Geological

Society......

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