267 



Fig. 50. Calcareous deposits, ciliated funnels and gonad of Pi otankyra suensoni 

 1-5 and Protankyra javaensis 6—11. 1 & 7-9 X 70; 2 X 160; 3 & 11 X 200: 

 4, 6 & 10 x 300; 5 X 9. 



