C Vi ] 
IX. Observations on the poison of the common toad. By John 
Davy, M. D. F.R.S. - - - page 127 
X. On the magnetizing power of the more refrangible solar rays. 
By Mrs. M. Somerville. Communicated by W. Somerville, 
M. D. F. R. S. Feb. 2. 1826, - N - 132 
XI. On the mutual action of sulphuric acid and naphthaline , and 
on a new acid produced. By M. Faraday, F. R. S. Cor- 
responding Member of the Royal Academy of Sciences , &c. &c. 
Communicated January 12, 1826, - - - 140 
XII. On the nervous circle which connects the voluntary muscles 
with the brain. By Charles Bell, Esq. Communicated by 
the President , January 25, 1826, - - -163 
XIII. On the constitution of the atmosphere. By John Dalton, 
Esq. F.R.S. - - - --174 
