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. 
CyYsTIPHYLLUM 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 lamellz 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 
