XXX. ABSTRACT OF PROCEEDINGS. 
Bourke, showing a semi-botryoidal structure at the base 
of the cones. 
3. By the Chairman—Specimens, lent by the National 
Herbarium, of the foliage of the Celery-topped Pine from 
Tasmania, also a fossil example of the same from the Rose 
Valley Deep Lead, KEmmaville. 
Judge Docker gave a talk, illustrated by specimens and 
lantern views, on certain rock-structures observed by him 
along the coast of New South Wales, in the Blue Mountains, 
and in Victoria. These structures, it was suggested, might 
represent portions of fossil trees. Remarks were made by 
Professor David and Mr. Andrews. 
The Chairman gave a resume of his lecture on the geo- 
logical history of Bass Straits delivered at the preceding 
meeting, and this was discussed by Mr. Andrews. 
Monthly Meeting, 20th November, 1922. 
Professor Sir Edgeworth David in the Chair. 
Fourteen members and nine visitors were present. 
EXHIBITS: 
1. By Dr. .Browne—A_ book of -coloured photographs 
illustrating agates from various parts of the world, and 
particularly from the Clent Hills, N.Z. 
2. By Mr. L, L. Waterhouse—A specimen from the 
Yuanmi Mine, W.A., presented to the University by Mr. 
Mckern, B.E., and showing metasomatic replacement of 
jasper by pyrites. 
3. By Judge Docker—Ironstone concretions resembling 
plant remains. 
4. By Professor David—Chert with sporangia, both 
macrospores and microspores being present, from a horizon 
about 2000 feet below the Greta coal-measures. The 
specimen was collected near Helah, in the Maitland district. 
ry 

