PLATE .61. 



Cladopora dispansa, Nov. Spec. Devonian. 



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



of the Ohio. 



2. Lateral A^iew of a cyme of unusual altitude, from the horizon and 



neighborhood of example 1. 



3. Under surface of a fragment of typical growth, from the horizon and 



vicinage of examples 1 and 2. 



Platyaxum (Nov. Gren.) corioideum, Nov. Spec. Devonian. 



4. Front lateral view (prostrate) of a })ortion of a frond from the Lower 



Devonian, Falls of the Ohio. The inner walls of the corallets of 

 the rear side are seen springing from the plane axis in the left 

 lower corner of the specimen. 

 These specimens belong to the private collection of the author. 



