198 
Fig. 9. Miliary spine. 15 %. 
— 10. Spicules from tubefoot. 45 %. 
_ 11 . Valve of triphyllous pedicellaria. 18 %- 
— 12. Ophicephalous pedicellaria. 86 /i. 
— 13. Tridentate pedicellaria. 85 /i. 
— 14. Tubefoot, showing the biserial arrangement of the spicules; the 
sucking disk has been turned so as to show the calcareous ring 
in full view. 15 %. 
14—10-1921. 
