219 



Fig. 32. Calcareous deposits, calcareous rings and ciliated funnels of Lepto- 

 synapta lens 1—8 and Leptosynapta transgressor 9 — 17. 1 & 3 from posterior end 

 of body, 2 & 4—5 from anterior end of body. 13 rods from interambulacra, 

 14 from polian vesicle, 15 from ambulacra, 16 from digits, 17 from tentacle- 

 base. Anchors and anchor-plates x 200, calcareous rings X 24, ciliated funnels 

 x 36, rods X 450. 



