PLATE 125. 



Cystiphyllum sulcatum. Devonian. 



1. Left lateral view of a symmetrical adult corallum. % 



2. Left lateral view of a slender corallum. 



3. View of the calyx of a corallum similar to example 1. 

 From the Lower Devonian rocks, Falls of the Ohio. 



Cystiphyllum squamosum. Devonian. 



4. Posterior view (prone) of a corallum, from the Middle Devonian 



red clay, near Louisville. 



5. Right lateral view of a weathered corallum of unusual altitude ; 



from the horizon and neighborhood of the preceding specimen. 



6. View of the calyx of a corallum, from the blue clay of the Mid- 



dle Devonian, Falls of the Ohio. 



Cystiphyllum nettelrothi, Nov. Spec. Devonian. 



7. Right lateral view of a corallum. 



9. Posterior view (prone) of a corallum. 



8. View of the calyx of a corallum, whose radial lamellae are some- 



what obscured by siliceous deposition in annular dots. 

 From the ferruginous clay of the Lower Devonian, near Louisville. 



Cystiphyllum cicatriciferum, Nov. Spec. Devonian. 



10. Posterior view of a . corallum, from the Lower Devonian rocks, 



Falls of the Ohio. 



11. View of the calyx of a corallum of sessile growth, whose circular 



apical scar has the dimensions of the calyx; from the encrinal 

 limestone clay of the Upper Devonian, near Louisville. 



Cystiphyllum ohioense. Devonian. 



12. Left lateral view of a corallum. 



13. Posterior view of a corallum. 



From the red clay strata derived from the encrinal limestone of 

 the Upper Devonian, near Louisville. 



The specimens herein figured belong to the collection of the author. 



10 



