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No. XL 
. Page 
Art. I. Account of the Recent Chemical Researches of M. Ber- 
zelius and his Pupils. In a Letter to Dr Brewster 
from a Correspondent in Stockholm. (Continued 
from Vol. IV. p. 22.) - - I 
1. Experiments of M. Berzelius upon the Alkaline 
Sulphurets, and on the Combinations of Al- 
kalies with Metallic Sulphurets, - ib. 
2. Account of M. Berzelius’s recent Experiments 
on the composition of the Oxides of Platinum 
and Gold, - - - 9 
a. Oxides of Platinum, - - ib. 
5. Oxide of Gold, - - Hr 
3. Researches on some Mineral Substances, by 
M. A. Arfwedson, - - 12 
a. The Disthene or Cyanite of St Gothard and Norway, 13 
h. The Nepheline of Somma, - - ib. 
c. The Sodalite of Vesuvius, - - ill. 
4. Researches respecting the Pyroxenes, &c. by 
M. Henry Rose, - - 14 
5^ Researches respecting the Amphiboles, by M. de 
Bonsdorff, - - - 16 
IT. Account of the Earthquake which desolated the Island 
of Zante on the 29 th December 1820. In a Letter 
to M. de Ferussac from Count Mercati, - 19 
III. Description of the Trinity Pier of Suspension at New- 
haven, near Edinburgh. By Captain Samuel Brown, 
R. N. In a Letter to Dr Brewster, - 22 
IV. Account of a great and extraordinary Cave in Indiana. 
In a Letter from Mr Benjamin Adams to John H. 
Farnham, Esq. of Frankfort Ohio, - 29 
