PLATE XII. 



PAGE. 

 POTEBIOCEINUS BUFFALOENSIB Worthen 89 



Fie. 1. Anterior view of a nearly complete specimen. 



BACTOCRINUS MONTGOMEBYENSIS Worthen 83 



Fig. 2. Lateral view of calyx. 

 Fig. 2 a. Basal view of the same. 



POTEBIOCRINUS NODOBASALis Worthen 89 



Fig. 3. Lateral view of anterior side. 

 Fig. 3 a. Basal view showing anal plates. 



DOBYCBINUS MISSISSIPPIENSIS Rcemcr iw 



Fig. 4. Lateral view of calyx with spines and column. 



BATOCBINUS UJJIONENSIS Worthon 84 



Fig. 5. Lateral view of calyx. 

 Fig. 5 . Basal view of same. 



CALCEOCBINUS TUNICATUS Hall, sp w 



Fig. 6. Lateral view of body and arms. 



CALCEOCBINUS KOBUSTUS Worthen :>2 



Fig. Lateral view of tody with a; ms and column. 



ACTINOCKINUS LOBATUS Hal! H7 



Fig. 8. Lateral view of calyx and ventral tube. 



Fig. 8 a. Specimen with a part of t he arm? attached. 



