GEOLOGICAL SECTION OF THE HAMILTON ASSOCIATION. 1 53 



Specimen. Formation. Locality. Prov. 



Lingula oblonga Clinton Hamilton Ont. 



Rhynchonella neglecta " " " 



Arthrophycus Harlani " Grimsby " 



Zaphrentis bilateralis, showing ori- 

 fice, from the lowerbeds of " " " 

 Calymene Bluemenbachii, fragment " Hamilton " 



Calymene tuberculosa " " " 



Rhinopora tuberculosa " " " 



5 Specimens marsh plants not de- 

 termined " " " 



1 Bryozoon (colored) " " " 



2 Shell impression (colored) .... " " " 



2 Specimens of fossils showing 



root termination of marsh 



plants ■' " 



3 Stromatopora " " " 



3 Favosites Niagarensis " " ;' 



1 Colored shell (fossil) 



1 Buthotrephis gracilis " " " 



1 Strophomena from the grey band " " " 

 1 Hemapionites paradides orstrep- 



torhynchus tenuis of Hall.. " " " 



1 Ptelenomia " " " 



2 Species of algae from the upper 



green band hitherto said to 



be unfossiliferous " " " 



Fossil sponges and sections, many 



not yet named Niagara, Barton beds BartonT.P. Ont. 



Fenestella, many not determined " " 

 Rhynchonella allied to Tennes- 



seensis " " 



Spirifera Crispa .... " " 



Atrypa reticularis " 



Athyris subtilita Niagara B Beds Barton T.P. Ont. 



Rhynchonella Indiannaensis .... " 



Calymene Blumenbachii, fragment " 



Sphserexochus Romingeri " 



