PLATE 44. 



Alveolites scaxdularis, Nov. Spec. Devonian. 



1. Upper surface of a fragment of a corallum from the encrinal lime- 



stone clay of the Upper Devonian, near Louisville. Collection of 

 the author. 



lites goldfussi. Devonian. 



2. Upper surface of a corallum from the horizon of A. scandularis 



CFipr. 1), near Louisville. Collection of the author. 



Alveolites minimus, Nov. Spec. Devonian. 



3. Upper surface of a corallum from the Lower Devonian rocks, Falls 



of the Ohio. Collection of the author. 



