PLATE 62. 



Cladopora dispansa, Nov. Spec. Devonian. 



1. Upper surface of a sub-cymous corallum from the Lower Devonian, 

 Falls of the Ohio. Collection of the author. 



Cladopora crassa, Nov. Spec. Devonian. 



'2. Upper surface of a fragment of typical growth. 



3. Upper surface of a specimen with corallets less erect than those of 

 the preceding example. 

 Both specimens from the Lower Devonian strata, Falls of the Ohio. 

 Collection of the author. 



