THE PROGRESS OF DISCOVERY IN NATURAL PHILOSOPHY,
CHEMISTRY, NATURAL HISTORY, PRACTICAL MECHANICS,
GEOGRAPHY, NAVIGATION, STATISTICS, AND THE FINE
AND USEFUL ARTS,

FROM

OCTOBER 1. 1820, тo APRIL 1. 1821.

CONDUCTED BY

DR BREWSTER AND PROFESSOR JAMESON.

TO BE CONTINUED QUARTERLY.

VOL. IV.

EDINBURGH:

PRINTED FOR ARCHIBALD CONSTABLE AND COMPANY.

1821.

CONTENTS

OF

No. VII.

Page

ART. I. Historical Eloge of Abraham Gottlob Werner, read at

a sitting of the Royal Institute of France. By M.

Le Chevalier CUVIER,

II. Account of the recent Chemical Researches of M. Ber-

zelius and his Pupils.

1. Account of M. Berzelius's Analysis of the Fer-

ruginous and Sulphuretted Prussiates,

2. Account of M. Mitscherlich's Experiments on

the Forms of artificially crystallized Salts,

3. Account of the Analyses of the Pyroxenes and

Amphiboles, by MM. Rose, Nordenskold, and

Bohnsdorf,

-

ib.

4. Account of M. Rose's Analyses of several Spe-

cies of Mica, containing Fluoric Acid,

III. On Isothermal Lines, and the Distribution of Heat

over the Globe. By Baron ALEXANDER DE HUM-

BOLDT. (Continued from Vol. III. p. 274.),

IV. Account of the Captivity of Alexander Scott, among

the Wandering Arabs of the Great African Desert,

for a period of nearly Six Years. Drawn up by

T. S. TRAILL, M. D., F. R. S. E. With Geographi-

cal Observations on his Routes, and Remarks on

the Currents of the Ocean on the North-Western

Coast of Africa, by Major RENNELL, F. R. S. &c. &c.

V. Table for determining accurately the Time of High

Water at any given Port. Computed by Major-

General Sir THOMAS BRISBANE, C. B., F. R. S. E.

VI. Outlines of Professor Mohs's New System of Crystal-

lography and Mineralogy,

VII. Account of Mr R. Bowman of Irthington, who has

25

33

54

56

67

VIII. Observations on the Florida or Gulf Stream,

IX. Account of a map of the country north from Ava. By

FRANCIS HAMILTON, M. D., F. R. S. & F. A. S.

73

76

completed his 115th year. By Dr BARNES,