CONTENTS 
E'-i7X 
VrM 
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, - - 1 
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, - l6 
Account of M. Mitscherlich’s Experiments on 
the Forms of artificially crystallized Salts, 19 
3. Account of the Analyses of the Pyroxenes and 
Amphiboles, by MM. Rose, Nordenskold, and " 
Bohnsdorf, - - - 21 
4, Account of M. Rose’s Analyses of several Spe- 
cies of Mica, containing Fluoric Acid, - ib. 
III. On Isothermal Lines, and the Distribution of Heat 
over the Globe. By Baron Alexander de Hum- 
boldt. (Continued from Vol. III. p. 274.), - 2S 
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. 38 
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. 54 
VI. Outlines of Professor Mohs’s New System of Crystal- 
lography and Mineralogy, - - 56 
VII. Account of Mr R. Bowman of Irthington, who has 
completed his 115th year. By Dr Barnes, - 67 
VI T I. Observations on the Florida or Gulf Stream, - 73 
IX. Account of a map of the country north from Ava. By 
Francis Hamilton, M. D., F. R.S. & F. A. S. 
76 
