PLATE 83. 
CYATHOPHYLLUM MULTICRENA, Nov. Spec. Devonian. 
1. Right lateral view of a corallum of slender habit, from the Middle 
Devonian red clay, near Louisville. 
2. Left lateral view of a symmetrical corallum of average size, from 
the same horizon and neighborhood. 
3. Right lateral view of a young corallum, from the blue clay of the 
Middle Devonian, Falls of the Ohio. 
4. Calyx of a corallum. 
5. Calyx of a very large corallum of which the circular elevated rim 
of the diaphragm has been fortuitously broken down. 
Examples 4 and 5 are from the horizon and locality of example 3. 
CYATHOPHYLLUM cpIPUus, Nov. Spec. Devonian. 
6. Left lateral view of a small corallum, from the Lower Devonian 
ferruginous clay, near Louisville. 
7. Central view of a small corallum. 
8. Left lateral view of a corallum of medium size. 
9. Right lateral view of a corallum. 
Examples 7, 8, 9, are from the horizon and vicinage of example 6. 
CYATHOPHYLLUM FLOs, Noy. Spec. Magara. 
10. Calyx view of a corallum from the Upper Niagara white clay, near 
Louisville. 
CYATHOPHYLLUM CORALLIFERUM. Devonian. 
11. .Calyces of corallets, varying in size, imbedded in Stromatopora, as 
is usual with the species; from the blue clay of the Middle 
Devonian, Falls of the Ohio. 
CYATHOPHYLLUM PUMILUS, Nov. Spec. Devonian. 
12. Left lateral view of a corallum slightly below medium size, with 
apical scar; from the Middle Devonian blue clay, Falls of the 
Ohio. 
CYATHOPHYLLUM WINCHELLI, Nov. Spee. Devonian. 
13. Right lateral view of a corallum of average size, with small cir- 
cular apical scar. 
14. Calyx of a corallum. 
From the Middle Devonian blue clay, Falls of the Ohio. 
The examples figured in this Plate are from the collection of the 
author, 
