PLATE 122. 



Steombodes striatus. Niagara. 



1. View of the upper surface of a corallum, from the Upper Niagara 



white clay, near Louisville. Collection of the author. 



2. View of a vertical section of a weathered corallum, from the Upper 



Niagara red clay, near Louisville. Collection of the author. 



Strom BODES quabrangularis, Nov. Spec. ■ Niagara. 



3. View of the upper surface of a corallum, from the lower strata of 



the Upper Niagara red clay, near Louisville. Collection of the 

 author. ... 



Strom BODES unicus, Nov. Spec. Niagara. 



5. Lateral view of a corallum, from the Upper Niagara red clay, near 



Louisville. Collection of Mr. Nettelroth. 



Strombodes sinemurus, Nov. Spec. • Niagara. 



4. View of the upper surface of a corallum, from the Upper Niagara 



white clay, near Louisville. Collection of the author. 



6. View of the upper surface of a corallum, from the red clay of the 



L^pper Niagara, near Louisville. Collection of Mr. Nettelroth. 



