vi 



Page 



On a mode of Measuring the Internal Resistance of a Multiple Battery by 

 adjusting the Galvanometer to Zero. By M. Jules Raynaud 159 



Februanj 15, 1872. 



On the Induction of Electric Currents in an Infinite Plane Sheet of uniform 

 conductivity. By Prof. J. Clerk Maxwell, F.R.S 160 



On some Derivatives of Uramidobenzoic Acid. By P. Griess, F.R.S 168 



February 22, 1872. 



On the Contact of Surfaces. By William Spottiswoode, M.A., Treas. R.S. 179 

 On a New Hygrometer. By Wildman Whitehouse, Esq 180 



February 29, 1872. 



On Putrefaction. By Dr. F. Crace-Calvert, F.R.S 185 



On the Relative Power of Various Substances in preventing Putrefaction 

 and the Development of Protoplasmic and Fungus-Life. By Dr. F. Crace- 

 Calvert, F.R.S 187 



On the Relative Power of Various Substances in arresting Putrefaction and 

 the Development of Protoplasmic and Fungus-Life. By^ Dr. F. Crace- 

 Calvert, F.R.S 191 



List of Presents 192 



No. 133.— March 7, 1872. 



List of Candidates for Election into the Society 198 



Letter from W. De La Rue, F.R.S., to Prof. Stokes, Sec. R.S., relative to 

 the Observations taken with the Kew Heliograph 199 



On the Organization of the Fossil Plants of the Coal-measures. — Part HI. 

 Lyco-podiacece. By W. C. Williamson, F.R.S., Professor of Natural His- 

 tory in Owens College, Manchester 199 



March 14, 1872. 



Contributions to the History of the Opium Alkaloids. — Part IV. By C. R. 

 A. Wright, D.Sc, Lecturer on Chemistry in St. Mary's Hospital Medical 

 School 203 



Further Investigations on Planetary Influence upon Solar Activity. By 

 Warren De La Rue, D.C.L., F.R.S., Balfour Stewart, LL.D., F.R.S., and 

 Benjamin Loewy, F.R.A.S 210 



The Decomposition of Water by Zinc in conjunction with a more Negative 



Metal. By J. H. Gladstone, Ph.D., F.R.S., and Alfred Tribe, F.C.S. 218 



March 21, 1872. 



New Researches on the Phosphorus Bases. By A. W. Hofmann, LL.D., 

 F.R.S., Professor of Chemistry in the University of Berlin 221 



