Plate 14 



Page 



1. Hederopsis raaschi, new species 59 



The holotype of short, broad, frequently branching zooecia ex- 

 hibiting the central carina. 

 Middle Devonian (Milwaukee limestone-Lindwurm member), 

 Milwaukee, Wis. 

 J-6. Hederopsis lypicalis, new species 59 



2, Mature portion of a colony, X 2. 



3, Portion of a zoarium, X 2, in which the method of branching is not 



obscured by crowding. 



4, 5, Part of a colony, X 2 and X 4, in which the characteristic 



inner carina of the tubes is shown. 

 6, Basal side of a zoarium, X 2, which has become detached from 



its host and exposes the long central tube. 

 Onondaga (Upper Jeffersonville limestone). Falls of the Ohio. 



7. Hederopsis curia, new species 60 



The type example incrusting a fenestellid fragment; the short, 



wide, zooecia with the internal carina are characteristic. 

 Onondaga (Upper Jeffersonville limestone). Falls of the Ohio. 



8. Hederopsis longituba, new species 61 



Colony incrusting a fenestellid {Semicoscinium) with branches 



composed of elongate, regularly budding tubes. 

 Onondaga (Upper Jeffersonville limestone), Falls of the Ohio. 



9. Hederopsis bifurcata, new species 60 



The holotype incrusting a bryozoan (Unitrypa) ; the narrow, elon- 

 gate, frequently bifurcating zooecia separate this from other 

 species. 



Onondaga (Upper Jeffersonville limestone). Falls of the Ohio. 

 10. Hederopsis connata, new species 60 



The type specimen growing upon a Polypora, exhibiting the features 

 of the species, short, broad, internally carinated zooecia bud- 

 ding from the midline. 



Onondaga (Upper Jeffersonville limestone), Falls of the Ohio. 



89 



