PLATE XVI. 
PENTACRINUS MACLEARANUS, Wyv, Thoms. 
Diam 
Fig. 1. The entire specimen, . ; . : : exe 
Fig. 2, The end of a pinnule ; from the side, . ; : oe x) Ae 
Fig. 3. Ventral aspect of the basal joints of a pinnule, showing the 
ce) 
development of its ambulacral skeleton, . : Ni ee 
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