EXPLANATION OF PLATES. 



PLATE 14. PAGE 



PTYCOPHYLLUM ROBUSTUM, N. Sp. 39 



FIG. 1. — Posterior view of a large specimen. 

 FIG. 2. — Posterior view of another smaller example. 



CYATHAXONIA BORDENI, N. Sp. 38 



FIG. 3, — Lateral view of an adult specimen. 

 FIG. 4. — Lateral view of another example, showing 



the point of the cone, and the ends of the 



lamellae. 

 FIG. 5. — Lateral view, of an other individual, with 



the side broken away, to show the central 



cone. 

 FIG. 6. — Lateral view of another example, with a 



portion of the calix broken away, to show the 



central cone. 



CYATHAXONIA PARVA, N. Sp. 39 



FIG. 7. — Lateral view, with the calix broken away, 



to show the central cone. 

 FIG. 8. — Lateral view of another individual. 

 FIG. 9. Lateral view, of another example, with a 



portion of the calix broken away, to show 



the central cone. 



ZAPHRENTIS OPPELTI, N. Sp. 37 



FIG. 10. — Lateral view of a mature specimen. 



FIG. 11. — Posterior view of another individual. 



FIG. 12. — Posterior view of another example. 



FIG. 13. — Lateral view of another specimen. 



MICHELINIA BRIDGHAMI, N. Sp. 40 



FIGS. 14-15-16. — Three views showing the expanded 

 cups, and the attachment to crinoid columns. 



HELIOPHYLLUM LEMONI N. Sp. 35 



FIG. 17. — Lateral view, of a composite example. 



