PLATE 94. 
ACROPHYLLUM ONEIDAENSE. Devonian. 
1. (Oblique) anterior, or central-gap view of a corallum of average 
size, with calyx wall broken so as to show the cone-shaped 
_ diaphragm; from the Lower Devonian, Falls of the Ohio. 
2. Right lateral view (prostrate) of a small corallum, more conical 
than the typical specimens. From the horizon and locality of 
the preceding example. 
ACROPHYLLUM ELLIPTICUM, Nov. Spec. Devonian. 
3. Anterior, or central-gap view of a corallum, with wall removed so 
as to show the bottom of the calyx; from the horizon and place 
of C. oneidaense. 
The specimens belong to the collection of the author. 
