422 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



Table IV. — Fossils escaped from Lowe?' to Upper Silurian, into 

 and across the Middle or Transitional Period. 



Fossils. 



pq 



o 



u 



at 



i 



bC 



.So 



O 



Chaetetes lycoperdon 



spec 



Stromatopora concent rica 

 Glyptaster brachiatus .... 

 Hemicystites parasiticus . 

 Leptsena alternata 



depressa 



(Stroph.) grandis .... 



sericea 



Atrypa reticularis 



Bellerophon bilobatus 



Orthoceras sequale 



multiseptum 



Bucania trilobate 



Calyraene Blumenbachii . 

 Platynotus Trentonensis . 

 Phacops Hmulurus 



H. 



H. 



V. 



H. 



H. 



Sh. 



Sh. 



Sh. 



Sh. 



Sh 



Sh. 



E. 



H? 



H. 



C. 



C. 



H. 



Table V. — Fossils common to Europe and the Niagara Group of 

 the State of New York. 



Fossil. 



ZOOPHYTA. 



Favosites Gothlandica ? 



Haly sites catenulatus 



Heliolites pyriformis? 



Stromatopora concentrica 



Eucalyptocrinus decorus 



Atrypa (Rhynchonella) bidentata 



aprina 



cuneata? 



affinis 



didyma? 



aspera 



marginalis 



reticularis 



tumida? 



imbricata 



European 

 position. 



D, US, LS. 



US, LS. 



D, US, LS. 



US. 



US. 



WL. 



US. 



WL. 



WL. 



Ludlow. 



D. 



WS. 

 D, US. 



D. 

 WL. 



Country. 



Authority 



Europe, Britain ... 

 Europe, Britain ... 

 Europe, Britain ... 



England 



England 



England, Sweden . 



Russia 



Sweden, England . 

 Moscow, England . 

 England, Gothland 

 France,Rhine,Penn- 



sylvania 



England 



Europe, England... 

 England, Sweden .. 

 England 



V. 

 V, H. 

 V, H. 

 V,H. 

 V, H. 



H. 



V, H. 



V,H,Sh 



H. 



Sh. 



V. 

 V. 



V, Sh. 

 V. 

 H. 



