26 



large as that figured. There are no anterior avicularia. The 

 oa^cia are large, pearly, and have an irregular row of foramina 

 along the upper edge. 



FAMILY SALICORNARIIDyE. 



Cellaria, Lamx. 

 C. cLiistralis, McG. St. Vincent's Gulf. 

 C. rigida, McG. Kangaroo Island. 



FAMILY BICELLARIID^. 



BiCELLARiA, Blaini'iUe. 

 B. grandis, Busk. St. Vincent's Gulf. 



Stirparia, Goldstein. 

 S. glabra, Hincks. 



BuGULA, Oken. 

 B. cucullata, Busk. Brighton ; Kangaroo Island ; St. Vin- 

 cent's Gulf. 



B. dentata, Lamx. 



B. neritina, Linne, sp. 



FAMILY FLUSTRID.E. 



Flustra, Linn. 

 F. denticulata, Busk. 



Carbasea, Graij. 



C. 2'>isciformis, Busk. St. Vincent's Gulf. 



FAMILY MEMBRANIPORID^. 



Electra, Lamx. 

 E. flagellum, McG. A very imperfect specimen. 



Bathypora, McG. 

 B. hicolor, Hincks, sp. (Memb^rinipora hicolor, Hincks, in 

 Ann. & Mag. Nat. Hist., Feb., 1881.) 



Membranipora, Blainville. 

 M. 'pyrula, Hincks. St. Vincent's Gulf. 



Amphiblestrum, Gray. 

 A. 'permvAiitum, Hincks, sp. St. Vincent's Gulf. 



