PLATE XXX. 
PENTACRINUS NARESIANUS, 0. Sp. 
Fig. 1. The calyx and lower parts of the arms of an adult individual, . 
Fig, 2, The disk; : P : : : é : 
Figs. 3, 4. The calyx ; from above and below, . 
Fig. 5. The lower face of a first radial, with one basal remaining 
attached, 
Figs. 6, 7. An isolated basal from below and above, 
Fig. 8. A first radial, from beneath, 
Fig. 9. Distal face of a first radial, 
Figs. 10, 11. Proximal and distal faces of a second radial, 
Figs. 12, 13. Proximal and distal faces of a third or axillary radial, 
Fig. 14. Dorsal aspect of the axillary with the two first brachials 
attached, . , ‘ ‘ é ; 
Figs. 15, 16. Proximal and distal faces of a first brachial, 
Figs. 17, 18. Proximal and distal faces of a second brachial, 
Figs. 19, 20. Proximal and distal faces of the hypozygal portion of the 
third brachial, 
Figs. 21, 22. Proximal and distal faces of the corresponding epizygal, 
. 23. Portion of an arm containing two syzygies ; side view, 
Fig. 24. The arm-groove and brachial ambulacrum ; from above, 
Fig, 25. Terminal faces of an internodal joint, . 
Figs. 26, 27. Lower and upper faces of a nodal joint, 
Figs. 28, 29. Lower and upper faces of an infra-nodal joint, 
Fig. 30. The two faces of the next joint below an infra-nodal, 
Diam. 
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