PLATE 37. 
Fias. 1- 8 
1 
2 
4 
5 
6 
7 
8 
9-19 
EXPLANATION OF PLATES. 
. Pentacta trimorpha; holotype; Mer. 
- Radial and interradial pieces of calcareous ring, < 10. 
, 3. Tentacle-rods, 450. 
. Supporting rod from pedicels, 450. 
. Large calcareous plate from deep in skin, X40. 
. Caleareous ‘‘basket”’ from epidermis, < 450. 
. Knobbed button from dermis, 50. 
. “ Basket,” seen from the side, X 450. 
. Pseudocucumis eurystichus; holotype; Friday Island. 
. Interradial and radial pieces of caleareous ring, <5. 
2. Tentacle-rods, 450. 
3. Side view of table from base of pedicel, 450. 
. Simple disk of table from pedicel, 450. 
. More developed disk of table from pedicel, * 450 
Side view of spire of table from body-wall, 450 
Disks of tables from body-wall, «450 
. Holothuria altimensis; holotype; Mer. 
20. Radial and interradial pieces of calcareous ring, X10. 
. Tentacle-rods, 450. 
. Disk of table from body-wall, «450. 
. Spire of table from body-wall, x 450. 
. Supporting rods of pedicels, «450. 
. Side view of spire of ordinary table, * 450. 
. Top of spire of ordinary table, seen from above, 450. 
27. Disk of ordinary table, «450. 
Figs. 1-13. 
. Typical button, «450. 
. Atypical buttons, «450. 
Holothuria axiologa; holotype; Mer. 
. Tentacle-rods, * 450. 
. Supporting rod of dorsal pedicel, 450. 
. Typical disk of table, «450. 
. Side view of spire of table, x 450. 
. Simpler disk of table, X 450. 
. Simpler spire in side view, 450. 
. Top of simpler spire seen from above, 450. 
1 
2 
3 
4 
5. Top of spire seen from above, 450. 
6 
7 
8 
9 
. Long, slender, fenestrated ellipse, x 450. 
10. Heavier ellipse, x 450. 
. Ellipse intermediate between an ellipse and a button, 450. 
. Knobbed button, «450. 
. Knobbed button, seen from the side, X 450. 
14-19a. Holothuria cumulus; holotype; Mer. 
14. Tentacle-rods, 450. 
15 
16 
17 
18 
19 
. Side view of spire of table, 450. 
. Disk of table, 450. 
. Disk of larger table, «450. 
. Top of spire seen from above, 450. 
. Typical buttons, * 450. 
19a. Larger button, «450. 
20-24. Holothuria hypamma; holotype; Mer. 
20. Supporting rod of pedicel, «95. 
21. Disk of table seen from below, * 450. 
22 
23 
24 
25-32 
. Side view of table, x 450. 
. Top of spire seen from above, 450. 
. Button, 450. 
. Holothuria subverta; holotype; Mer. 
25. Supporting rod of pedicel, somewhat idealized, 450. 
26 
27 
28 
29 
30 
31 
32 
. Side view of typical table, 450. 
. Disk of typical table, «450. 
. Top of spire of typical table seen from above, 450. 
. Side view of extremely slender spire, X 450. 
. Side view of very stout table from dorsal body-wall, 450. 
. Typical button, 450. 
. Larger, smooth, ventral button, 450. 
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