59 



Pelee Island — Thin and thick bedded dolomitic 



limestones of the Onondaga formation 



are exposed at many points on the island. Characteristic 



fossils may be collected in abundance at most of the 



Ridges of Onondaga limestone formed by glaciers and subsequently weathered. 

 Pelee island, Ontario. 



outcrops. The more common species as occurring at a 

 quarry on the west side of the island and at one near the 

 north end are given below: — 



