CONTENTS — (continued) . 



PAGE 



February 22, 1872. 



I. On the Contact of Surfaces. By Wixxiam Spottiswoode, M.A., Treas. K.S. 179 

 II. On a New Hygrometer. By Weldman Whitehouse, Esq 180 



February 29, 1872. 



I. On Putrefaction. By Dr. F. Cbace-Calteet, F.R.S 185 



II. On the Relative Power of Various Substances in preventing Putrefaction and 

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

 v Calveet, F.R.S 187 



III, On the Relative Power of Yarious Substances in arresting Putrefaction and 

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

 Caltebt, F.R.S 191 



List of Presents 192 



ERRATA (No. 131, Yol. XX.). 



Page 84, line 10 from bottom, for 18466 read 1848 6. 

 Page 85. line 20 from top, for 1846 6 read 1848-6. 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



