PLATE 136. 



Zaphrentis maconathi, Nov, Spec. Devonian. 



1. Right lateral view of a corallum of medium size, from the blue 



clay of the Middle Devonian rocks, Falls of the Ohio. 



2. Left lateral view of a corallum, from the same horizon and locality. 



3. Anterior view of the upper part of a corallum of gigantic dimen- 



sions, Avith wall broken down, so as to show the radial lamolhi) 

 and the smooth plane dia[)hragm of the calyx; from the Lower 

 Devonian rocks. Falls of the Ohio. 



4. Right lateral view of a young corallum, from the Middle Devonian 



red clay, near Louisville. 

 The specimens tigured in the Plato belong to the collection of the 

 author. 



