5 1h). 
PLATE XXXII. 
Figs. 1-3. Penracrinus BLAKEI, P. H. Carpenter. 
. The ambulacral skeleton of a pinnule ; from the side, 
. Portion of a ray, consisting of the two outer radials, the dis- 
tichals, and the three lowest brachials ; from the side, 
. Portion of a brachial ambulacrum ; from above, 
Figs. 4-6. Penracrinus DEcoRus, Wyv. Thoms. 
. Portion of a brachial ambulacrum ; from above, 
. Vertical section of the calyx, passing a little to one side of the 
middle line; from a preparation made Dr. W. B. Carpenter, 
. Ventral aspect of one of the lower arm-divisions, showing the 
ambulacral skeleton, 
Figs. 7-10. PENTACRINUS MOLLIS, n. sp. 
. The disk, 
. The calyx; from beneath, 
. The anterior and left antero-lateral rays, 
The right postero-lateral ray, 
Diam. 
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