PLATE 70. 
Drymopora (Nov. Gen.) FASCICULARIS. Niagara and Devonian. 
1. Lateral view (inverted) of a fragment from the Upper Niagara white 
clay, near Louisville. 
2. Base of a corallum attached to Stromatopora concentrica; from the 
Upper Niagara red clay, near Louisville. 
3. Portion of a corallum invested by Stromatopora, from the ferruginous 
clay of the Lower Devonian, near Louisville. 
4, Portion of a corallum similarly inclosed, from the manganese lime- 
stone of the Lower Devonian, Falls of the Ohio. 
DRYMOPORA COMMENSALIS, Nov. Spec. Devonian. 
5. Vertical section of a corallum growing in commensality with Stro- 
matopora texilis, as it is the habit-of the species to do with some 
form of Stromatopora; most of the corallets appear larger than 
their proper size because of their investiture; from the manganese 
limestone of the Lower Devonian, Falls of the Ohio. 
6. 7. Upper surfaces of coralla, the orifices of the corallets showing at 
the surfaces of the sarcodemes; from the ferruginous clay of the 
Lower Devonian, near Louisville. 
All from the collection of the author. 
