CONTENTS. 
I. 'The Croonian Lecture. 
M. D. Sec. R. S. 
By William Hyde Wollaston, 
p. i 
II. The Bakerian Lecture for 1809. On some new Electrochemical 
Researches, on various Objects , particularly the metallic Bodies, 
from the Alkalies, and Earths, and on some Combinations of 
Hydrogene. By Humphry Davy, Esq. Sec.R.S. F.R.S.E. 
M. R. I. A. p. 16 
III. The Case of a Man, who died in consequence of the Bite of a 
Rattle-snake ; with an Account of the Effects produced by the 
Poison. By Everard Home, Esq. F.R.S . p. 75 
IV. An Analysis of several Varieties of British and Foreign Salt , 
( Muriate of Soda) with a View to explain their Fitness for 
different economical Purposes. By William Henry, M. D. 
F. R. S. Vice-Pres. of the Literary and Philosophical Society , 
and Physician to the Infirmary, at Manchester. p. 89 
V . Description of an extraordinary Human Fcetus. In a Letter 
from Mr. Benj. Gibson, Surgeon at Manchester, to H. Leigh 
Thomas, Esq. F. R. S. p„ 123 
VI. Observations on the Effects of Magnesia, in preventing an 
increased Formation of Uric Acid; with some Remarks on the 
Composition of the Urine. Communicated by Mr. William 
T. Brande, F.R.S. to the Society for the Improvement of 
Animal Chemistry, and by them to the Royal Society . p. 136 
