PLATE 122. 
STROMBODES 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. 
STROMBODES QUADRANGULARIS, 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. 
° 
STROMBODES 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 
Upper Niagara, near Louisville. Collection of Mr. Nettelroth. 
