IX. Observations on the poison of the common toad. By Johjt 

 Davy, M. D. KR.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. s. 1826, - - 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. 



