170 
ABSTRACT OF PROCEEDINGS 
OF THE 
Hopal Society ot South Australia 
For 1899-1900. 
nt nn mn s 
ORDINARY MEETING, NOVEMBER 7, 1899. 
W. L. Cretanp, M.B. (President) in the chair. 
ExninrTs.—J. G. O. Tepper, F.L.S. exhibited a ferruginous: 
sandstone of peculiar form, and some calcareous travertine, 
the latter showing rem arkable weathering; both specimens- 
from the Lake Eyre distict. Mr. S. Dixon some specimens: 
from Mount Morgan mine, and described the conditions 
under which they were found. Also he gave a description 
of the ecu Bag machinery by which 20,000 tons of ore 
were treated on the mine per month, and referred to the 
liberal and lesen policy pursued by the directors oy 
which they were enabled to attract the best available talent 
to their service. He also showed some rich tin ore speci- 
mens from North Queensland, and a — bag made by the 
natives of Queensland from the bark of a tree not identified. 
Mr. Tepper drew attention to botanical experiments by Von 
Herzule in 1875, and by . Preuss more recently, which 
tended to prove that plants must manufacture their own 
mineral matter. 
Parer.—“Notes on the Cliffs Separating Aldinga and 
Myponga Bays,” by Epwarp Vincent Crank, B.Sc. 
ORDINARY MEETING, DECEMBER 5, 1899. 
W. L. CLELAND, es B. |. in the chair 
Exsısırs.—J. G. on gr, FLS, exhibited a — 
lying in a matrix vi artz from near Williamstown A 
