THE 



QUARTERLY JOURNAL 



OF 



THE GEOLOGICAL SOCIETY OF LONDON, 



PROCEEDINGS 



OF 



THE GEOLOGICAL SOCIETY. 



May 3, 1848. 



John Dorrington, Esq., was elected a Fellow of the Society. 

 The following communications were then read : — 



1. On the Development of the Permian System in Saxony, as 

 communicated by Professor Naumann to Sir Roderick Mur- 

 CHisoN, G.C.S., F.R.S. &c. 



Those geologists who have attended to the recent progress in the 

 classification of the palaeozoic rocks may well suppose that I was 

 highly gratified by receiving the letter from Professor Naumann of 

 Leipsic, of which I now send a translation. The reasons for the 

 adoption of the term Permian were so thoroughly explained, first in 

 a letter addressed by me to Dr. Fischer of Moscow*, next in com- 

 munications to the Geological Society of London, and lastly in the 

 work on Russia and the Ural Mountains, that I have now only to 

 refer to those documents. But I would specially call attention to the 

 first pages in the tenth chapter of the last-mentioned work, because 

 they were written after a visit to Thuringia, Saxony and Silesia, which 

 confirmed and extended the view I had adopted from the survey of 

 Russia ; viz. that the Zechstein and Kupferschiefer were mere sub- 

 ordinate members of a great red sandstone group, of which the 



* PhiL Mag., Dec. 1841. 

 vol. v. — part I. B 



