ABSTRACT OF PROCEEDINGS. XXV, 



Monthly Meeting, 11th October, 1911. 



Mr. J. E. Oarne in the Ohair. 



Ten members were present. 



Mr. A. B. Walkom exhibited an undescribed Oystiphylloid 

 coral from Derrangullen Creek and a new species of Favo- 

 sites from the same locality. 



Dr. W. G. Woolnough exhibited specimens of belemnites, 

 ammonites and other cephalopods from Port Charles, 

 Northern Territory, and a fossil crustacean from the same 

 locality. 



A discussion then took place on the age of the alkaline 

 igneous rocks of New South Wales. No definite conclusion 

 was arrived at regarding the alkaline intrusives, except 

 that they were Post-Triassic, but the general opinion 

 regarding the alkaline volcanic rocks was that they were 

 at least as young as Miocene. 



Monthly Meeting, 8th November, 1911. 



Mr. J. B. Oarne in the Ohair. 



Eleven members and three visitors were present. 



The principal business of the evening was a discussion on 

 Professor T. W. E. David's presidential address on " The 

 Ohief Tectonic Lines of Australia. 



On the motion of Mr. W. S. Dun a vote of thanks was 

 passed to the Secretary for his efforts on behalf of the 

 Section during the year. 



At the close of the meeting the Chairman, on behalf of 

 the members wished bon voyage to Messrs. Watson and 

 Hunter, two members of the Mawson Antarctic Expedition. 



