PLATE 130. 



Zaphrentis trigemma, Nov. Spec. • Devonian. 



1. Left lateral view of a portion of a corallum, partly imbedded in 



the rock matrix. 



2. Anterior view of the superior portion of a corallum. 



From the Lower Devonian rocks, Falls of the Ohio. 



Zaphrentis nodulosa. Devonian. 



3. Anterior view of a large corallum, with a portion of the rock 



matrix attached ; from the Lower Devonian rocks, Falls of the 

 Ohio. 



Cystiphyllum plicatum, Nov. Spec. Devonian. 



4. Posterior view of a corallum, with epitheca denuded, and the 



successively invaginating calyx - wall margins fortuitously worn 

 off, showing the radial lamellpe. 



5. View of the calyx of a corallum. 



From the Lower Devonian rocks, Falls of the Ohio. 



Cystiphyllum os, Nov. Spec. Devonian. 



6. 7. Lateral views of coralla, with spreading apices, from the Lower 



Devonian rocks, Falls of the Ohio. 



Cyathophyllum greent, Nov. Spec. Devonian. 



8. Left lateral view of an adult a jejune corallum. 



9. Right lateral view of the upper portion of a jejune corallum. 

 From the Lower Devonian rocks, Falls of the Ohio. 



The examples figured in the Plate are from the collection of the 

 author. 



