Plate 127. 

 1-6. Echinocyamus platytatus H. L. Clark. 



1. Abactinal surface of bare test of specimen (holotype) from Portsea, Victoria. X 6. 



2. Actinal surface of same. X fi. 



3. Interior view of actinal half of same. X 6. 



4. Right-sifle \'iew of same. X 6. 



5. Abactinal system of male, showing small genital pores. X 12. 



6. Abactinal system of female, showing large genital pores. X 12. 



7, S. Laganum fudsiyama Dod. 



7. Right anterior petal, showing coarse tuberculation. X 5. 

 S. Abactinal sj'stem. X 6. 



9-12. Laganum diploporum A. Ag. & CI. 



9. Right anterior petal, showing fine tuberculation. X 5. 



10. Abactinal system, showing double genital pore in posterior interambulacrum. 



X 10. 



11. Abactinal system, showing two distinct genital pores in posterior interambulacrum. 



X 10. 



12. Abactinal system, showing two well-separated genital pores in posterior inter- 



ambulacrum. X 10. 



