PLATE 52. 



Cladopora bifurca, Nov. Spec. Devonian. 



1. Portion of a corallum investing Favosites ramulosus, from the Lower 



Devonian, Falls of the Ohio. Collection of the author. 



Cladopora cryptodens. Devonian. 



2. Dichotomously branching example, from the Lower Devonian, Falls 



of the Ohio. Collection of the author. 



3. Frond (inverted) from the same horizon and locality. Collection of 



the author. 



4. Fragment from the ferruginous clay of the Lower Devonian, near 



Louisville. Collection of the author. 



Cladopora billingsl Devonian. 



5. Fragment (inverted) from the Lower Devonian clay, near Louisville. 



Collection of the author. 

 Cladopora alpenensis. Devonian. 



6. Fragment from the horizon and place of example 5. 



Cladopora acupicta, Nov. Spec. Devonian. 



7. 8. Portions of fronds from the Lower Devonian, Falls of the Ohio. 



Collection of the author. 



Cladopora desquamata, Nov. Spec. Devonian. 



9. Portion of a corallum with its pedicle attached to the interior of 

 the calyx of Zaphrentis ungula, from the Lower Devonian, Falls 

 of the Ohio. Collection of the author. 



