Clavipokella, MgG. 

 C geminata, "VVyv. Thomson, sp. Glenelg. 



C. aurita, Busk, sp. Robe. 



FAMILY CELLULARIID^. 



DiDYMiA, Busk. 



D. simplex, Busk. 



ScKUPOCELLARiA, Vail Beueden. 

 S. cydostoma, Busk. 

 S. ornithorhynchus, Wyv. Thomson. An imperfect fragment. 



Caxda, Lamx. 

 C. arachnoides, Lamx. Brighton. 



Caberea, Lamx. 

 C. Darwinii, Busk. Encounter Bay ; R-obe. 

 C. rudis, Busk. Robe. 



C. grandis, Hincks. The specimens are mostly very rigidly 

 calcified. 



Menipea, Lamx. 



M. cyathus, Wyv. Thomson. Robe. 

 M. triceUata, Busk, sp. Robe. 



FAMILY SALICORNAEIID.F:. 

 Cellaria, Lamx. 

 C. hirsuta, McG. Encounter Bay. 



FAMILY BICELLARIID^, 

 BiCELLARiA, Blainville. 

 B. tuba, Busk. Encounter Bay, 



B. gracilis, Busk. Robe. 



FAMILY FLUSTRID.F]. 



Carbasea, Gray. 



C. dissimilis, Busk. 



FAMILY MEMBRANIPORID^. 

 Pyripora, D'Orhigny. 

 P. polita, Hincks, sp. Kangaroo Island. 



Electra, Lamx. 

 E. imdtispinata, Hincks, sp. 



(Membranipora pilosa, var. multispinata, Hincks.) 



Bathypora, McG. 

 B. ( Memhranipora) nitens, Hincks. 



