PLATE 48. 



Cladopora aculeata, Nov. Spec. Niagara. 



1. Lateral view of a fragment from the Upper Niagara white chiy, near 



Louisville. Collection of the author. 



Cladopora ordinata, Nov. Spec. Niagara. 



2. Lateral view of a small fragment from the same horizon as C. acu- 



leata, near Louisville. Collection of the author. 



Cladopora proboscidalis, Nov. Spec. Niagara. 



3. Lateral view of a fragment from the same horizon and place as the 



preceding species. Collection of the author. 



Cladopora men^ls, Nov. Spec. Niagara. 



4. Lateral view of the upper portion of a frond showing the tricho- 



tomous branching; from the horizon and neighborhood of the 

 examples preceding. Collection of the author. 

 6. Pedicle of a corallum with a portion of the trunk; fi'om the horizon 

 and place of example 4. Collection of the author. 



Cladopora striata, Nov. Spec. Niagara. 



6. Lateral view of several fronds of a corallum, from the horizon of the 



above examples. Collection of Mr. Nettelroth. 



Cladopora equisetalis, Nov. Spec. Niagara. 



7. Several fronds springing from the same base; from the same horizon 



as the above. Collection of Mr. Nettelroth. 



Cladopora laqueata. Niagara. 



8. Corallum, pedicle wanting, from the Upper Niagara white clay, near 



LouisA^lle. Collection of the author. 



9. Nearly entire corallum from the Upper Niagara red clay, near Louis- 



ville. Partly invested by Stromatopora concentrica. Collection 

 of Mr. Nettelroth. 



