PLATE 88. 



Cyathophyllum multigemmatum, Nov. Spec. Devonian. 



1. View along the line of the apertural gap of the ancestral corallet ; 



right and left lateral views of its progeny. From the horizon 

 and locality of the specimen figured in Plate 87. 



Cyathophyllum ligatum, Nov. Spec. Devonian. 



2. Right and left lateral views of inosculating gems detached from the 



maternal corallum, with epitheca removed so as to show the con- 

 cave interlobular dissepiments. From the Lower Devonian rocks, 

 Falls of the Ohio. 

 -A. Calyx of a corallum, with bell-shaped wall, from the ferruginous 

 clay of the Lower Devonian, near Louisville. 



Cyathophyllum detextum, Nov. Spec. Devonian. 



3. View of a corallum (prone), the lower half of which shows the 



exterior right lateral gap-line, and the upper half the exterior 

 surface symmetrical with the line of the apertural gap. From 

 the Lower Devonian, Falls of the Ohio. 

 The specimens figured belong to the collection of the author. 



