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Zone 3. — Red and green shales, red and grey impure 

 limestones, and grey splintery flags. The hard beds are 

 veined by quartz and calcite and ripple marked as in the 

 preceding zone. The zone ends at the mouth of Stonehouse 

 brook and is very fossiliferous. The identified fossils are: — ■ 



Pholidops implicata 



Chonetes novascoticus 



Camarotoechia cf. nucula 



C. cf. borealis 



Spirifer rugaecosta 



Homeospira n. sp. 



Cornulites proprius 



Beyrichia aequilatera 



B. pustulosa 



Acaste logani 



Calymene tuberculata 



Homalonotus dawsoni 



Pterygotus fragments. 

 The zone has a thickness of 136 feet (41 m.). 

 Zone 4. — Red shales and limestones with greyish blue 

 splintery flags. In the cliffs of the shore section this zone 

 is spotted with very bright green patches. The base 

 is drawn beneath the six inch layer of limestone forming 

 the bed of Stonehouse Brook at its mouth and which 

 contains an abundance of Homalonotus dawsoni. The zone 

 is very fossiliferous. Those specifically known are: — 



Pholidops implicata 



Chonetes novascoticus 



Schuchertella pecten 



Camarotoechia cf. nucula 



Spirifer rugaecosta 



Homeospira n. sp. 



Pterinitella venusta 



Bucanella trilobata 



Grammysia acadica 



Goniophora transiens 



Cornulites proprius 



Beyrichia pustulosa 



B. aequilatera 



Calymene tuberculata 



Acaste logani 



Homalonotus dawsoni 

 The thickness is 97 feet (29 m.). 



