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have been, in part, embodied in a paper by the Chairman on a 
Revision of the Marine Gasteropods of South Australia, printed 
in part i., vol. XIX. of the Transactions of the Royal Society, 
and it is anticipated that a series of similar papers will follow. 
Prof. Tate exhibited a new species of Arcoperna, a worn speci- 
men of Voluta Roadknighti, and an example of Solarium Reeve 
from Tasmania ; collected by Mr. May. 
Dr. Perks showed Mesodesma erycina, Lam., from the Grange 
Beach, St. Vincent Gulf, and Mr. Bednall recorded it from 
Aldinga. 
Mr. Bednall—Specimens of Trophon squamosissima, Ten.- 
Woods, allied to, if not a variety of, 7. Hanleyi from South Aus- 
tralia and Tasmania. 
Mr. Adcock—Examples of Clanculus Aloysi, Ten.-Woods, 
from the South-East, and a Crepidula aculeata found by Mr. 
Ashby at Middleton. 
