PLATE XIX 
PENTACRINUS WYVILLE-THOMSONT, Jeffreys. 
Vig. 1. An entire specimen, . 
Fig. 2. Portion: of an internode from near the top of the stem, See fas iy 
| Fig. 3. Nodal and internodal joints from the upper part of the stem. . a 4 
Fig. 4. Nodal and pees joints from the dower part of the stem, . pe: 4 
Fig. 5. Portion of an internode from the lower part of the stem, ele ; x eA 
Fig. 6. Interradial view of the calyx and arm-bases, ae 
Fig. 7. Radial view of the same parts in another specimen, 
an = HA ee oe | 
