Proceedings. 147 
in the limestone at the foot of Mount Wellington, and at the 
“Dromedary,” and in the clay rocks on the Brown’s River Road, 
and at Arch Island, in D’Entrecasteaux Channel, &c. 
Sir W. Denison observed that the limestone of Maria Island is 
found to yield a lime which sets under water as hard as Roman 
cement, and instanced the entrance to the Constitution Dock built 
with it. 
The Secretary submitted specimens of fine coal and bitumincus 
slate, &c. from the Don River, stating briefly the thickness of the 
beds and relative position of the strata, the distance from water- 
carriage, the facilities for shipment in the event of a tramway being 
formed, &c. 
Mr. Milligan presented a good specimen of Cyprea Umbjlicata ; 
one of which species was recently sold in London for £30, and another 
given by Mr. Ronald Gunn to the British Museum. Mr. Gunn’s 
specimen was obtained at Circular Head —that now presented 
to the Tasmanian Museum was cast up in a gale upon the beach 
between Port Sorell and the Mersey River. 
Dr. Lillie drew the notice of the meeting to a fragment of a fossil 
from the limestone quarries at Tolosa, recently presented to the 
Museum by him, and which he has now no doubt is a Conularia. 
Mr. G. W. Walker presented a specimen of Chironectes taken in 
the Bay here, and observed that when caught it raised itself on its 
peculiarly formed ventral fins, and sprung from them somewhat as a 
frog would leap. 
llru June, 1851.—Joseph Hone, Esq., senior Member of Council, 
in the chair. 
The following members were ballotted for and duly elected :— 
Rev. James Garrett, of the West Tamar. 
Francis Groom, of Harefield. 
John Perkins, 
Alfred Cumberland, jot PR 
Mr. James Walch presented for the Society’s library a copy of 
‘¢ Lewin’s Birds of New South Wales.” 
The Secretary read a letter from Mr. Ellis, of the British Museum, 
acknowledging the receipt of a collection of fossil woods of Tas- 
mania, and a suite of land and sea shells transmitted by him. 
- An extract of a letter from Mr. Kippist, of the Linnean Society, 
