Entroclii and Pentacriui from New Zealand and J!^orth America. 



[Figs. 1 and 3 are of the natural size. All tlie rest are enlarged 4 diameters. 

 Drawn by Miss Margaret Tempest.] 



JEntrocJms undatus. (Pp. 247-49.) 



1. Holotype. Side view; the thicker sutnre-lino, filtli from the top, represents 



the division between the two fragments. [E 22185.] 



2. Holotype. Joint-face at the top of the larger fragment. 



(P. 249-52.) 



Entrochus ternio. 

 Fig. 3. Holotype. Side view. [E 22186.] 



4. Holotype. Joint-face. 



5. Group B. Joint-face with the characters of the holotype. 



6. Group B. Joint-face with ridges p6ntamerousl3' fasciculated. 



7. Group C. Joint-face of young. 



JEncrimis hyatti W. B. Clark. (P. 251.) 

 Fig. 8. Joint-face. [E 6481.] 



Isocriniis trechmanni. (Pp. 252-53.) 

 Fig. 9. Normal joint-face. In this example there is a marked peripheral rim, and the 

 radial ridge-groups are gable-shaped. [E 22186. J 



10. Joint-face of a small cpizygal with no ridges. [^E 22187.] 



11. Syzygial joint-face with traces of ridges. [E 22187.] 



12. A wide asymmetrical brachial. [E 22187] 



13. A pinuular, or a symmetrical brachial from the distal region. [E 22187.] 



Isocrinus ctipreiis. (Pp. 255-56.) 

 Fig. 14. Normal joint-face. In this the secondary or accidental radial depressions are 

 less marked than in most. [E 22178.] 



Isocrinus graviiice. 

 Fig. 15. Normal joint-face. [E 22181.] 



(P. 256.) 



