PLATE 16. 
FAVOSITES TUBEROSUS. Devonian. 
1. Lateral view (prostrate) of a corallum of typical shape from the 
. Lower Devonian, Falls of the Ohio. Collection of the author. 
2. Similar view of a corallum from the same locality and horizon, show- 
ing opercula closing the orifices of some of the corallets. Collec- 
tion of Mr. Gaines. 
3. Lateral view of upper portion of a specimen from the ferruginous 
clay of the Lower Devonian, near Louisville. Collection of the 
author. 
FavosITEs OCELLATUS, Nov. Spec. Devonian. 
4, Lateral view (prostrate) of a corallum from the upper strata of the 
Lower Devonian, near Louisville. Collection of the author. 
