PLATE XXV 



PAGE 

 Figs. 1, 2. STRIATOPORA BELLA Swartz n. sp 215 



1. Portion of a corallum. 



2. Branching corallum. X 2. 



Helderberg formation, New Scotland member, Cherry Run, 

 W. Va. 



Fig. 3. STBIATOPORA sp 216 



Fragment of a corallum. Helderberg formation, Keyser member, 

 Devil's Backbone. 



Figs. 4-7. CLADOPOBA RECTILINEATA Simpson 216 



4. Slab covered with numerous branches. Keyser, W. Va. 



5. A branching corallum. Pinto. 



6. Longitudinal and transverse sections. X 4. Four miles northeast 



of Cumberland. 



7. Transverse sections. X 4. Same locality. 



Helderberg formation, Keyser member. 



