PLATE 128. 



Cystiphyllum lixeatum, Nov. Spec. Niagara and Devonian. 



1. Left lateral view of a corallum, from the ferruginous clay of the 



Lower Devonian, near Louisville. 



2. Ri<>'ht lateral view of an adult corallum, from the Upper Niagara 



red clay, near Louisville. 



3. Exterior view of a corallum, from the passage-beds between the 



Niagara and Devonian formations, near Louisville. 



4. View of the calyx of a large corallum, from the horizon and 



neighborhood of specimen 1. 



Cystiphyllum plicatum, Nov. Spec. Devonian. 



5. 6. 7. Right lateral views of small coralla, with apical scars of 



attachment. 



8. Anterior view of a corallum, with apical scar. 



From the blue clay of the Middle Devonian, Falls of the Ohio. 



Cystiphyllum edwinanum, Nov. Sf>ec. Devonian. 



9. View of the calyx of a gemmiferous corallum. 

 From the Middle Devonian red clay, near Louisville. 



Cystiphyllum tumidosum, Nov. Spec. Devonian. 



10. View of the calyx of a corallum of average size. 

 From the horizon and locality of C. edwinanum. 



Cystiphyllum theissi, Nov. Spec. Devonian. 



11. Posterior view of an adult corallum. 



12. Left lateral view of a corallum. 



13. Anterior view of a gemmiferous corallum. 



14. View of the calyx of a corallum. 



From the blue clay of the Middle Devonian, Falls of the Ohio. 

 The specimens figured in this Plate are from the collection of the 

 author. 



