488 Proceedings. 
now worked at Port Arthur, Sir W. Denison said that coal was known to 
exist at Salt Water River and Impression Bay, and that there is no good 
reason for believing the beds exhausted where the works now are, unless 
it be in the immediate vicinity of the present shafts. 
The progress made with the tramway and the works upon the location 
granted tu the Douglas River Coal Company on the East Coast, and the 
probability of the urgent and rapidly increasing demand for a superior fuel 
being shortly supplied from this source, fell also under discussion. 
The meeting, after passing a vote of thanks to the several persons who 
had made donations, broke up about half-past nine o’clock, 
* {irm May, 1853.—Monthly Evening Meeting; His Excellency Sir W. 
T. Denison, President, in the chair. 
The following gentlemen having been ballotted a were declared duly 
elected :—James M‘Arthur, Esq., of Deloraine; D. T, Kilburn, Esq., 
Francis Marshall, Esq., of Hobart shes Other nominations were made 
for the next ballot. 
The following presentations were made— 
To the Library, by Mr. Pringle Stuart, a pamphlet dated London 1709, 
entitled ‘A New Theory and Method whereby the True Longitude, &e. 
may be found.” By George Keith, M.A., &e. 
To the Museum, by Sir W. Denison, Babise of a clay rock, coated with 
a bluish-green incrustation, and forwarded to His Excellency from Sorell, 
under the supposition that they contained copper. Upon examination with 
the microscope, the green colour is found by Dr. Butler to be due to a 
minute fungus spreading in continuous patches over the surface, penetrating 
into the crevices, and lining the natural cleavage of the rock. ‘The green 
colour caused by this delicate fungus is apparent enough in certain situa- 
tions upon the sandstone and compact clay rocks on the Brown’s River 
Road and along D’Entrecasteaux’s Channel. 
By A.C. G. Ashton, the jaws of a fish of the shark tribe, obtained in the 
China Sea, akin to Squalus cornubicus; also the skin of a snake, not 
named, about nine feet in length, said to have been met with near Moreton 
Ba: 
By Mr. Lodge, through Mr. Rolwegan, of Collins-street, a fragment of 
fossil wood, from Burwood, near Newcastle, New South Wales—part of a 
mass weighing about half a ton deposited in the Sydney Museum; also a 
piece of curiously crystallized quartz from Green Creek, about thirty miles 
from the Hanging Rock, New South Wales. 
By Mr. Lloyd, of Bryn Estyn, a specimen of silicified wood, found in the 
surface soil by the side of his residence, and probably belonging to detritus 
of the sandstones and argillaceous beds over the coal-measures, In the 
vicinity of the coal-rocks the surface and the soil to a considerable depth 
are often observed to’ be replete with similar fragmentary pieces. 
