ADVERTISEMENT. 



THE Editors of the Transactions of the Geological Society 

 are directed to make it known to the Public, that the Authors alone arc 

 responsible for the fads and opinions contained in their respective papers. 



Geological Society, 

 July \ } 1817. 



It is requested that all letters and communications to the 

 Secretaries, and presents to the Society, be addressed to the House of 

 the Geological Society, No. 20, Bedford Street, Co vent Garden, London. 



