Formation of SL Helen's Island. 



10t 



Lower Hbldbrbeeg Limestone op 

 St. Helen's Island. 



Fenestella {allied to) perangidata. 



Ptilodictya acuta 



Atrypa reticularis 



Chonetes SpJ 



Zeptaena Sp. ? 



Lingula perlata 



Orthis deformis , 



Orthis discus 



Orthis eminens 



Orthis hipparionyx , 



Orthis oblata 



Orthis tubulostriata 



Pentamerus galeatus , 



Pentamerus pseudogaleatus , 



Pentamerus berneuilli 



Rhynchonella ssquivulois 



Rhynchonella formosa 



Rhynchonella mutabilis , 



Rhynchonella (allied to) mutabilis 



Rhynchonella nucleolata 



Rhynchonella vellicata 



Rhynchonella vtntricosa 



Spirifer (allied to) Sp. arenosus . . . 



Spirifer concinnus 



Spirifer cyclopterus 



Sricklandinia Gaspensis .• 



Streptorhynchus radiata 



Strophodonta profunda 



Strophodonta punctulifera 



Strophodonta varistriata 



Strophomena rhomboidalis 



Avicula Sp- ? 



Platyostoma depressa 



Tentaculitis Helena 



New 



Gaspe 

 and 



York. 



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Bay des 

 Chal'urs 



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Nova 

 Scotia. 



