318 Proceedings of the Royal Society. 



April 25. Some observations made preparatory to the eclipse 

 of 21st August, 1821, and of the eclipse itself, by Mr. William 

 Dawes. 



On the mechanism of the spine, by Henry Earle, esq., F.R.S. 



May 2. On the nerves which associate the muscles of the 

 chest in the actions of breathing, speaking, and expression, by 

 Charles Bell, esq. 



A short account of some appearances in the moon, 24th April, 

 1822, by Henry Lawson, esq. 



9. Experiments and observations on the pitch stone of Newry, 

 and its products, and on the artificial formation of pumice, by 

 the Right Hon. George Knox., F. R. S. 



16. Observations on the changes the egg undergoes during 

 incubation in the common fowl, by Sir Everard Home, bart., 

 V. P. R. S. 



23. On the mathematical laws of electro-magnetism, by Peter 

 Barlow, esq. 



Observations on the heights of places in the trigonometrical 

 survey, by B. Bevan, esq. 



June 6. On the binomial theorem, by John Walsh, esq. 



Some observations on corrosive sublimate, by John Davy, 

 M.D., F.R.S. 



13. On the state of water and aeriform matter in the cavities 

 of certain crystals, by Sir Humphrey Davy, Bart. P. R. S. 



20. Some experiments on the changes which take place in 

 the fixed principles of the e^^, by Wm. Prout, M. D., F. R. S. 



27. On the ultimate analysis of animal and vegetable sub- 

 stances, by Andrew Ure, M. D., F. R. S. 



