PLATE 101. 
CYATHOPHYLLUM POCILLUM, Noy. Spec. Devonian. 
1. Longitudinal section of a corallum, from the Upper Devonian red 
clay, near Louisville. Collection of the author. 
CALCEOLA PROTEUS, Nov. Spee. Niagara. 
2. Inner surface of an operculum, from the Upper Niagara white 
clay beds, near Louisville. Collection of Dr. Knapp. 
CHONOPHYLLUM MAGNIFICUM. Devonian. 
3. View of the calyx of a coralluin of medium size, from the man- 
ganese limestone rocks of the Lower Devonian, Falls of the 
Ohio. Collection of the author. 
BLOTHROPHYLLUM LOUISVILLENSE, Nov. Spec. Devonian. 
4. Left lateral view of a corallum, from the Middle Devonian blue 
clay, Falls of the Ohio. 
5. Similar view of a corallum, from the same horizon and place. 
BLOTHROPHYLLUM ciNcTUTUM, Nov. Spec. Devonian. 
6. Longitudinal section of a fragment, showing arrangement of the 
diaphragms, etc., from the locality and horizon of the preced- 
ing species of Blothrophyllum. Collection of Dr. Knapp. 
CYATHOPHYLLUM PUMILUS, Nov. Spec. Devonian. 
7. View of the calyx of a corallum, from the red clay of the Middle 
Devonian, near Louisville. Collection of the author. 
BLoTHROPHYLLUM corRIUM, Nov. Spec. Devonian. 
8. Left lateral view of a corallum, from. the upper part of which the 
epitheca has been fortuitously denuded; from the Middle Devo- 
nian red clay, near Louisville. 
11, Right lateral view of a corallum, from the Middle Devonian blue 
clay, Falls of the Ohio. 
9. View of the calyx of a sessile corallum, from the horizon and 
neighborhood of example Fig. 8. 
The specimens are from the collection of the author. 
AULACOPHYLLUM PARVUM, Nov. Spee. Devonian. 
10. View of the calyx and oblique anterior view of a corallum, with 
small apical scar; from the Middle Devonian blue clay, Falls 
of the Ohio. Collection of the author, 
