1,2) 
11-13. 
14-17. 
PLATE 4. 
Chiridota aponocrita H. L. Clark. 
1. Supporting-rods of tentacles. X 450. 
2. Miliary granules.  X 450. 
Myriotrochus bathybius H. L. Clark. 
Calcareous wheel. X 95. 
Mpyriotrochus giganteus H. L. Clark. 
Caleareous wheel.  X 95. 
Molpadia bathybia H. L. Clark. 
Disks of tables. XX 95. ~ 
Spire of a table, from the side.  X 95. 
Scotodeima parvispiculatum H. L. Clark. 
Caleareous particles. x 140. 
Mesothuria megapoda H. L. Clark. 
9. Table, seen from the side. > 95. 
10. Disk of table. x 95. 
Mesothuria multipora H. L. Clark. 
11. Table, seen from the side. X 95. 
12. Disk of table. xX 95. 
13. Spire of table, seen from above.  X 95. 
Synallactes triplax H. L. Clark. 
14. Typical table seen from the side. 95. 
15. Disk of typical triradiate table. X< 95. 
16. Disk of larger table. > 95. 
17. Disk of an “unclosed” table. »X 95. 
