OR, MAGAZINE OF

CHEMISTRY, MINERALOGY, MECHANICS,

NATURAL HISTORY,

AGRICULTURE, AND THE ARTS.

BY THOMAS THOMSON, M.D. F.R.S. L. & E. F.L.S. &c.

MEMBER OF the geoloGICAL SOCIETY, OF THE WERNERIAN SOCIETY, AND OF THE IMPERIAL MEDICO-CHIRURGICAL ACADEMY OF PETERSBURGH,

VOL. VII.

JANUARY TO JUNE, 1816:

STOR LIBRARY

NEW-YORK London :

Printed by C. Baldwin, New Bridge-street;

FOR BALDWIN, CRADOCK, AND JOY,

47, PATERNOSTER-ROW.

SOLD ALSO BY

W. BLACKWOOD, EDINBURGH; AND J. CUMMING, DUBLIN.

TABLE OF CONTENTS.

NUMBER XXXVII.—JANUARY, 1816.

Account of the Improvements in Physical Science during the Year 1815.

By Dr. Thomson

Page

1

Note by Professor P. Prevost respecting Dew, in Reply to Dr. Wells.... 71

Journey into the Interior of New South Wales by Governor Macquarrie 72

Notices of Lectures

80

Geological Remarks on different Parts of Scotland. By Prof. Jameson..ibid.

On the Specific Gravity of Men.....

On Criopyrite

82

..ibid.

Letter from Dr. Rees respecting Dr. Henry's Experiments on Bleaching.. 83

New Method of preserving Meat.....

manufacturing Gunpowder.

Accidents from Scating

.....

On Dew

Extension of the Bibliotheque Britannique

Notice respecting Six's Thermometer.

Meteorological Table and Observations, Nov. 23 to Dec. 22

84

...ibid.

..ibid.

...ibid.

85

86

87

NUMBER XXXVIII-FEBRUARY.

Observations on the present State of the Mathematical Sciences in Great
Britain

Reply to Dr. Henry's Letter respecting the Introduction of Bleaching by

Oxymuriatic Acid. By Mr. Parkes ........

On Mineralogical Surveys. By Professor Jameson

A new Cypher proposed..

89

98

102

105

109

Account of the Worm which infests the Stickleback. By Mr. T. L. Dick 106

Letter to Dr. Wells respecting Dew. By Professor Prevost

Correction of a Mistake in the Essay on the Relation between the Specific

Gravity of Bodies in their gaseous State and the Weights of their Atoms 111

On the Marquis de Chabanne's Method of ventilating Houses. By Mr.
Arnot....

On lighting Coal-Mines.....

118

117

Essay on Rents in the Earth. By Mr. Longmire, concluded...... .... 122

Letter from Mr. Benedict Prevost to Mr. Pierre Prevost respecting Dew.. 127

Analytical Account of the Philosophical Transactions for 1815, Part II. ..

130