PLATE 14. 



Favosites pirum, Nov. Spec. Devonian. 



1. Lateral view of a corallum from the Middle Devonian, Falls of the 



Ohio. Collection of the author. 



2. Lateral view (prostrate) of a bacillate form from the same locality. 



Collection of the author. 



Favosites placenta. Devonian. 



3. Portion of a corallum from the dark red clay, derived from the 



encrinal limestone of the Upper Devonian, near Louisville. Col- 

 lection of the author. 



Favosites rotundituba, Nov. Spec. Devonian. 



4. Upper surface of a corallum from the dark red clay of the Upper 



Devonian, underlying the shale beds, near Louisville. Collection 

 of the author. 



Favosites mundus, varietas placentoideus, Nov. Var. Devonian. 



5. Upper surface of a corallum from the Lower Devonian, Falls of the 



Ohio. Collection of the author. 



