XXV111. ABSTRACT OF PROCEEDINGS. 
2. By Mr. W. R. Browne—Specimens lent by the Mining 
Museum, comprising: (a) Photos of a tuff-cone at Auckland, 
N.Z.; (b) a polished rock, possibly a varve-rock, showing 
miniature faulting, from Pokolbin, N.S.W.; (c) clear calcite 
from the Garabaldi Mine, Lionsville; (d) calcareous con- 
cretion forming cup-and-ball structure; (e) Polished boulder 
from the Maitland district. 
The origin of the polish on this last exhibit was the sub- 
ject of much discussion. 
Mr. Halligan gave a lecture on his recent aeroplane 
flight over Lake Eyre, illustrated by slides from original 
photographs taken from the air. Remarks were made by 
Mr. Andrews, Professor Taylor and Dr. Woolnough. 
Monthly Meeting, 17th July, 1922. 
Professor Sir Edgeworth David in the Chair. 
Hleven members and seven visitors were present. 
Specimens of rocks showing natural polish were exhibited, 
and a discussion on the subject of Desert Polish was opened 
by Dr. Woolnough, the other speakers being Dr. Danes, 
Messrs. Parkes, Browne, and Andrews, Professor Taylor, 
Mr. Dun and the Chairman. | 
A discussion of Professor Taylor’s lecture on the Physio- 
graphy of the Kosciusko Plateau was initiated by Mr. 
Andrews and contributed to by Judge Docker, Mr. Browne 
and the Chairman. 
Monthly Meeting, 28th August, 1922. 
Professor Sir Edgeworth David in the Chair. 
Twelve members and two visitors were present. 
EXHIBITS: 
By Judge Docker—Stereoscopic views illustrating the 
Narrabeen beds. 

a 
