PLATE XXIX. 



PAGE. 

 Pig. 1 . SCAPHIOCRIXUS UMCUS 519 



Specimen showing the ventral tube with its anal opening. 



Fig. 2,3. POTEHIOCRDfUS COREYI 516 



2. Specimen showing ventral tube and anal opening. 



3,3 a. Opposite sides of a nearly perfect example showing the arms nearly entire. 



Fig. 4. Stxbathocrixus robustus 514 



View of a nearly perfect example. 

 Fig. 5. Bartcrinus striatus 515 



5 a. "View of anterior side; 5 b, basal view ; 5 c, view of the anal side. 



Fig. 6. Poteriochixus Hoveyi 516 



"View of a nearly perfect example showing the arms and ventral tube. 



Fig. 7. DicnocRixus ncus 515 



Specimen with the arms attached. 



Fig. 8. Dorycrinus Kelloggi 513 



8 a. "View of the anal side. 

 8 b. View of the anterior side. 

 c. View of the crown. 



