BY T. H. JOHNSTON AND MAVIS J. WALKER. 



61 



Fig. 14 — I. Pcdicelliiia tuhiteleggii. Calyx — most of tlu- anteriorly 

 situated spines arc not indicated in this figure. 2 and 3. — Spines from 

 stalk of P. whitelegfjii and P. cernua, resjiectivelj' drawTi to the same .-cale. 



a., anus; br. p., bvootl pouch ; ertibr., embryos; ep., epistomc ; 

 excr., one of the excretory tubules; hep., "liver"; int., intestine; 

 in., mouth; n.g.. nerve ganglion; oes., oesophagus; ov., ovary; 

 wnd., common oviduct ; st., stomach. 



