332 S. WEELER FAUNA OF THE FERN GLEN FORMATION 



Plate 15 



Fistulipora fernglenensis n. sp page 289 



Figures 1-2. Upper and lower views of an elliptical zoarium. 



Chilotrypa americana S. A. M page 290 



Cystodictya lineata Ulrich page 290 



— Figure 3. Lateral view of a fragment of a zoarium with the largest 

 diameter observed. 

 Evactinopora scacradiata M. & W page 291 



Figure 4. View of a fragment of a zoarium. 

 Platyceras paralius W. & W page 319 



Figures 5-16. Views of twelve different bases, showing the variation in 

 number of rays. 



Figure 17. Lateral view of a nearly complete shell. 



Figure 18. Dorsal view of another specimen. 

 Aviculopecten fernglenensis n. sp page 318 



Figure 19. View of the type specimen. 

 Proetus fernglenensis n. sp page 320 



Figures 20-21. Dorsal and lateral views of a nearly perfect specimen. 



Figure 22. An incomplete genal spine. 



