PLATE XXX. 



Page 



Batocrinus Macbridei W. and Sp 376 



"Fig. 1. Specimen with arras, stem, and cirri. 



2. Another specimen with arms and stem. 



3. Ventral aspect of calyx (f). 



Batocrinus mundulus Hall . 382 



4a. Posterior view of the calyx. 

 ib. Lateral view of the same. 

 5. Specimen with arms from Bono, Ind., probably of this species. 



Batocrinus poculum S. A. Miller 378 



6. Specimen with anal tube, arms, and stem. 



Lobocrinus Yandelli (Shumard) 441 



la. The type specimen, showing anal side. 

 lb. Dorsal aspect of the same specimen. 



Lobocrinus robustus W. and Sp 436 



8a. The type specimen ; antero-lateral side. 

 8b. Posterior side of the same. 



Lobocrinus Hageri (McChesney) 445 



9. Posterior side of the calyx. 



10. Antero-lateral side of another specimen. 



Lobocrinus spiniferus W. and Sp 439 



11. One of the type specimens, showing the anterior side. 



12. Another type specimen, showing the posterior side. 



Macrocrinus jucundus (S. A. Miller) 451 



13. Calyx and anal tube ; anterior side. 



14. Specimen with arms ; antero-lateral side. 



Macrocrinus verneuilianus (Shumard) 450 



15. Large specimen with arms and anal tube. 



16. Another specimen ; the tube somewhat inflated. 



17. Posterior side of the calyx; the plates but little convex. 



18. Anterior side of the calyx; a very large, nodose specimen. 



(All the specimens in the collection of Wachsmuth and Springer, except that 

 of Fig. 7, which is in the Lyon collection.) 



