i, Geol.Soc.Vol XXXI. PL XXVII 



I0V\RIAN R0CK5 IN DIFFERENT AREAS. 



JBalcu 



^XbandefJo 



AreruUf 



TrenvcLcboe 



"linoxday flor/i 



^ Mene\ian 

 A:> 



I Conglomerates, Sanebstorhes 



A . Central regions of Spcuav. (Guuxd^crai 

 B . WoJ^(WoriJv& South,) For thernostpai^ 

 C . SardzrvLou The succession, here Jias no\ 

 represent gerueraMyy, tfie condiUxms ohs 



rut slates [deep water axxmrudaiLorvs.) 



of & Petersburg) 

 tfechora, &c.) I . Ural Mountains 



