I. I.TIMA. 



STUDIES ON THE HEXACTINELLIDA. CONTRIBUTION III. 



PLATE VI. 



Chaunoplectella spinifera Ij. 

 Staurocalyptus japonicus Ij. 

 Staurocalyptus tubulosus I J. 



Tlie figures relating to Stmroea'iipUs j.tpo:itcJ,s an;l tu'mlosu^ to he referred to in a 

 future Contribution, 



