General Science. 
205 
6. Zeise’s analysis of the Coal found in Iceland. 7. Letter from 
Probst Deinboll in Finmark, in regard to botany and physics. 
27. Euler's Letters to a German Princess on various subjects 
of Physics and Philosophy. — A new edition of this work, which 
has been long out of print, is on the eve of being published in 
two volumes 12mo. Independently of the great popularity of 
this production of the celebrated Leonhard Euler, which has 
gone through many editions in different parts of Europe, it pos- 
sesses a particular interest at the present time, in consequence 
of its containing a popular view of the doctrine, that light con- 
sists in the undulations of an ethereal medium, which is now ge- 
nerally adopted, in consequence of recent discoveries in optics. 
In this edition, which is edited by Dr Brewster, a popular life 
of the author, and various notes, have been added. The trans- 
lation has undergone very essential improvements, and the plates 
have been re-engraved, and much improved. 
28. Method of preserving Preparations. — Mr W. Cooke 
of London, has found, that all preparations of animal bodies 
may be preserved by a solution of muriate of soda or common 
salt. He finds that if used a little below saturation , it will pre- 
serve animal substances for an indefinite period, at all the tempe- 
ratures of our atmosphere. — Trans, of the Society of Arts , 
vol.xxxvii. p. 43. 
29. Asiatic Society of Great Britain and Ireland. — This 
very important institution, which was organised on the 15th 
March last, owes its origin to the activity and zeal of Henry 
Thomas Colebrooke, Esq. As this distinguished individual has 
been nominated Director of the institution, we look forward with 
the highest pleasure to the publication of its Transactions. The 
following are the office-bearers : 
President, The Right Honourable Charles Williams Wynn. 
Director, Henry Thomas Colebrooke, Esq. F. R. S. Lond. & Edin. 
Vice-Presidents, Sir George Thomas Staunton, Bart. ; Sir John Mai* 
com, G. C. B. ; Sir Alexander Johnston, Knight ; Colonel Mark 
Wilks. 
Treasurer, James Alexander, Esq. 
Secretary, George Henry Noehden, LL. D. 
30. Volcano of Barren Islands.— This volcano was visited by 
Captain Webster of the Juliana in March last. Having entered 
a small bay, with the view of landing, they were, at the distance 
