XV 



1810. 



The Croonian Lecture. By William Hyde Wollaston, M.D. Sec. R.S. page 348 



The Bakerian Lecture for 1809. On some new Electro-chemical Re- 

 searches, on various Objects, particularly the metallic Bodies, from 

 the Alkalies, and Earths, and on some Combinations of Hydrogen. 

 By Humphry Davy, Esq. Sec. R.S. F.R.S.E. M.R.I.A 350 



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 354 



An Analysis of several Varieties of British and Foreign Salt (Muriate 

 of Soda), with a view to explain their Fitness for different econo- 

 mical Purposes. By William Henry, M.D. F.R.S 356 



Description of an extraordinary Human Fcetus. In a Letter from 

 Mr. Benjamin Gibson, Surgeon, to H. Leigh Thomas, Esq. F.R.S. 360 



Observations on the Effects of Magnesia, in preventing an increased 

 Formation of Uric Acid ; with some Remarks on the Composition 

 of the Urine 363 



Supplement to the First and Second Part of the Paper of Experiments 

 for investigating the Cause of coloured concentric Rings between 

 Object-glasses, and other Appearances of a similar Nature. By 

 William Herschel, LL.D. F.R.S 365 



On the Parts of Trees primarily impaired by Age. In a Letter from 

 Thomas Andrew Knight, Esq. F.R.S. to the Right Hon. Sir Joseph 

 Banks, Bart. K.B. P.R.S 368 



On the Gizzards of Grazing Birds. By Everard Home, Esq. F.R.S. 370 



Observations on Atmospherical Refraction as it affects astronomical 

 Observations ; in a Letter from S. Groombridge, Esq. to the Rev. 

 Nevil Maskelyne, D.D. F.R.S 371 



Extract of a Letter from the Rev. John Brinkley, D.D. F.R.S. to the 

 Rev. Nevil Maskelyne, D.D. F.R.S. on the annual Parallax of cc Lyra 373 



On the Mode of breeding of the Ovo-viviparous Shark, and on the 

 Aeration of the foetal Blood in different Classes of Animals. By 

 Everard Home, Esq. F.R.S 374 



On Cystic Oxide, a new species of Urinary Calculus. By William 

 Hyde Wollaston, M.D. Sec. R.S 376 



Researches on the Oxymuriatic Acid, its Nature and Combinations; and 

 on the Elements of the Muriatic Acid. With some Experiments on 

 Sulphur and Phosphorus, made in the Laboratory of the Royal In- 

 stitution. By H. Davy, Esq. Sec. R.S. Prof. Chem. R.I. F.R.S.E. 377 



Observations upon Luminous Animals. By J. Macartney, Esq. . . . 379 



Observations and Experiments on Pus. By George Pearson, M.D. F.R.S. 383 



1811. 



The Bakerian Lecture. On some of the Combinations of Oxymuriatic 

 Gas and Oxygen, and on the chemical Relations of these Prin- 

 ciples, to inflammable Bodies. By Humphry Davy, Esq. LL.D 

 Sec. R.S. F.R.S.E. M.R.I.A. and M.R.I page 385 



The Croonian Lecture. On some Physiological Researches, respecting 

 the Influence of the Brain on the Action of the Heart, and on the 

 Generation of animal Heat. By Mr. B. C. Brodie, F.R.S 388 



On the Expansion of any Functions of Multinomials. By Thomas 

 Knight, Esq 390 



