PLATE 89. 



Diphyphyllum verneixilanum. Devonian. 



1. Exterior lateral view of a corallum from the Middle Devonian red 



clay, near Louisville. Collection of the author. 



Cyathophyllum multigemmatum, Nov. Spec. Devonian. 



2. Exterior lateral views of inosculated corallets accidentally broken 



from their parent, from the Middle Devonian waste of Marion 

 county, Kentucky. Collection of Mr. Linney. 



