[ X ] 
termination of the Session in June 1848, and prior to the termination of the Session 
in June 1851, and printed in the Philosophical Transactions. 
The Council propose also to give one of the Royal Medals in the year 1852 for the 
most important paper in Geology or Mineralogy, communicated to the Royal Society 
after the termination of the Session in June 1848, and prior to the termination of the 
Session in June 1851, and printed in the Philosophical Transactions. 
