328 S. WELLER FAUNA OF THE FERN GLEN FORMATION 



Plate 11 



Physetocrinus smaUeyi n. sp page 286 



Figures 1-3. Lateral, dorsal, and ventral views of the type specimen 

 (collection of F. A. Sampson). 



Actinocrin us rubra n. sp page 285 



Figures 4-5. Lateral and dorsal views of the type specimen. The lat- 

 eral view is from the right anterior side, which is 

 abnormal in having but one costal plate (collection of 

 F. A. Sampson). 



Lobocrinus pistilliformis (M. & W.) page 281 



Figure 6. Lateral view of the type specimen (after Meek and Wor- 

 then). 



Agaricocrin us prcccursor Rowley page 283 



Figures 7-9. Dorsal, ventral, and posterior views of a nearly perfect 



specimen. 

 Figures 10-12. Dorsal, ventral, and anterior views of another speci- 

 men (both specimens from collection of F. A. Samp- 

 son). 



Platycrinus stellatus n. sp page 281 



Figures 13-14. Lateral and ventral views of the type specimen (col- 

 lection of F. A. Sampson). 



Rhodocrin us punctatus n. sp page 282 



Figures 15-16. Lateral and basal views of the type specimen. 



Platycrinus springeri n. sp page 281 



Figures 17-19. Lateral, basal, and ventral views of the type specimen 

 (collection of F. Springer). 



Synoathocrinus dentatus O. & S page 278 



Figure 20. Lateral view of a complete dorsal cup. 



Vasocrinus cf. macropleurus Hall page 278 



Figure 21. View of a radial plate (collection of F. A. Sampson). 



Barycrinus sp page 2 <9 



Figure 22. Basal view of an incomplete dorsal cup (collection of F. A. 

 Sampson). 



Qraphiocrinus sampsoni n. sp page 280 



Figure 23. Basal view of the type specimen (collection of F. A. Samp- 

 son). 



Poteriocrin us sp page 279 



Figure 24. Posterior view of a dorsal cup (collection of F. A. Samp- 

 son). 



Hetichthyocrinns cf. burlingtonensis (Hall) page 288 



Figure 25. View of the basal part of a dorsal cup (collection of F. A. 

 Sampson). 



Mespilocrin us sp page 280 



Figure 26. Dorsal view of the basal plates (collection of F. A. Samp- 

 son). 



Cceliocrin us cf. ventricosus Hall page 280 



Figure 27. Ventral view of the terminal portion of the ventral sack 

 (collection of F. A. Sampson). 



Pentremites decussatus Shum ^ page 288 



Figure 28. View of an incomplete radial plate showing the peculiar 



ornamentation. 

 Figure 29. Lateral view of a crushed but nearly complete specimen 

 (both from collection of F. A. Sampson). 



