Z INTRODUCTORY NOTICE. 



It is the result of an agreement entered into between the 

 Geological Society and the Publisher, and will be edited by 

 one of the officers of the Society, its Vice- Secretary, subject 

 to the superintendence and control of the Council. 



The Journal will consist of two parts. The first will be 

 a full Report of the original Communications read before the 

 Meetings of the Society, the Authors being, as heretofore, 

 held responsible for the facts and opinions stated in their 

 respective papers: these Reports will be accompanied with 

 figured illustrations. 



The second, or miscellaneous part, will consist of Trans- 

 lations or Abstracts of Geological papers published in the 

 Transactions of Foreign Societies or in foreign Journals, and 

 of analyses of the contents of works expressly Geological, 

 both English and Foreign ; but the Articles in this division 

 of the Journal will also extend to such publications in the 

 departments of Natural Philosophy, Chemistry, and Natural 

 History as may be judged to have a more immediate bearing 

 on Geology, strictly so called. 



This second ^art will also contain announcements of Geo- 

 logical discoveries, of the publication of new Geological 

 works, and other information of a mixed character, on Geo- 

 logical subjects. The articles in this second part, also, will, 

 if necessary, be illustrated by figures. 



The account that will be given of Geological publications 

 will be confined to an analysis of their contents, and will not 

 express any opinion on the general merits of the works 

 analyzed. If any omission or inaccuracy on the part of an 



