0 3 
IX. On circulating functions , and on the integration of a class of 
equations of finite differences into which they enter as coeffi- 
cients. By John F. W. Herschel, Esq. F. R. S. p. 144 
X. On the fallacy of the experiments in which water is said to 
have been formed by the decomposition of Chlorine. By Sir 
H. Davy, LL. D. F. R. S. p. 169 
XL The Croonian Lecture. On the changes the blood undergoes 
in the act of coagulation. By Sir Everard Home, Bart: 
V.P.R.S. p. 17s 
XII. Some additions to the Croonian Lecture , on the changes the 
blood undergoes in the act of coagulation. By Sir Everard 
Home, Bart. V.P.R.S. p. 185 
XIII. On the laws of polarisation and double refraction in 
regularly crystallized bodies. By David Brewster, LL.D. 
F. R. S. Lond. and Edin. In a letter to the Right Hon. Sir 
Joseph Banks, Bart. G. C. B. P. R. S. p. 199 
ERRATA. 
s s 1 
Page 72, under “ Corr. for arc,” line 2nd ,for 1,15 read 1,51. 
, — m under « vibrations for 24 hours,” line 2nd, for 86056,93 read 86057,29. 
“ Great weight above,”jfor mean 86057,70, read 86057,79. 
Page 86, Experiment B, for 86057,70, read 86057,79. 
•t - — — Experiment B, under “ DifF.”/or ,23 read ,14. 
Page 87, Experiment B, for 86059,93, read 86057,93. 
Page u6, line 22, for “ constitute,” read “ constitutes.” 
