240 THE AUSTRALIAN HYDROS! EDUSiE, 



I. SUB- FAMILY. CUNANTHIN/E. 

 CUNANTHID.E. Haeckel. 



With broad pouch-shaped Radial Canals, with otoporpa. 

 Cunantha. Haeckel. 

 Cunarcha. Haeckel. 

 Cunoctantha. Haeckel. 

 Cunoctona. Haeckel. 

 Cuuina. Eschscholtz. 

 Cunissa. Haeckel. 



II. SUB-FAMILY. PEGANTHIN^, 

 PEGANTHID^E. Haeckel. 



Without Radial Canals and without gastral pouches in the sub- 

 umbrella. With otoporpa. 



Polycolpa. Haeckel. 

 Polyxenia, Eschscholtz. 

 Pegasia. Peron et Leseur. 

 Pegantha. Haeckel. 



III. SUB-FAMILY. AGEININ-ffi. 

 AEGINIDiE. Gegenbaur. 

 Circular canal in communication with the gastral cavity by 

 double peranial tubes. With gastral pouches without otoporpa. 

 Aegina. Eschscholtz. 

 Aeginella. Haeckel. 

 Aegineta. Gegenbaur. 

 Aeginopsis. Brandt. 

 Aeginura. Haeckel. 

 Aeginodiscus. Haeckel. 

 Aeginodorus. Haeckel. 

 Aeginorhodus. Haeckel. 



IV. SUB-FAMILY. SOLAMARIN^I. 

 SALMARID^]. Haeckel. 

 Without circular canal and without otoporpa, with or without 

 Radial Canals. 



Solmissus. Haeckel. 



