201 



Fig. 27. Calcareous deposits and water-vascular-system of Synaptula ater 1—4, 

 Synaptula violacea 5—6. Synaptula estergreni 7—10. Synaptula minima 11 — 13. 

 Anchors and plates X 180; rosettes X 1000; fig. 10 x 12. 



