PLATE 48. 



CLADOPORA ACULEATA, Nov. Spec. Niagara. 



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



Louisville. Collection of the author. 



Cladopora ordixata, Xov. 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 mexis, Nov. Spec. Niagara. 



-A. 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. 



5. Pedicle of a corallum with a portion of the trunk; from 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 



Louisville. 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. 



