ABSTRACT OF PROCEEDINGS. XXX, 
HARGRAVE, Prof. LIVERSIDGE, Mr. R. McMILLAN and Dr. 
CHAPMAN (by invitation of the President), Dr. F. H. QuaIrE 
and the President. 
THE FOLLOWING PAPERS WERE READ: 
1. ‘‘ Bibliography of Australian, New Zealand, and South 
Sea Island Lichens,”’ (second paper) by EpwIn CHEEL, 
[Communicated by J. H. MAIDEN, F.L.S. | 
2. “Analysis of a specimen of Sea-water from Coogee,” by 
C. J. WHITE, Caird Scholar, University of Sydney. 
(Communicated by Prof. LIVERSIDGE, F.R.S8.) 
3. ‘“‘Analysis of the ash of a New South Wales Sea Weed, 
(Ecklonia),’’ by C. J. WHITE, Caird Scholar, University 
of Sydney. (Communicated by Prof. LIVERSIDGE, F.R.S.) 
4, ‘‘Analysis of Roman Glass from Silchester, with special 
reference tothe amount of manganese and iron present”’ 
by C. J. WHITE, Caird Scholar, University of Sydney. 
(Communicated by Prof. LIVERSIDGE, F.R.S8.) 
5. ‘“‘Analyses of Chocolate Shale and of Tufaceous Sand- 
stone, from the Narrabeen Series,’”’ by 8. G. WALTON, 
Junior Demonstrator, University of Sydney. (Com- 
municated by Prof. LIVERSIDGE, F.R.S.) 
In these analyses special attention was paid to the deter- 
mination of smaller pieces of the rarer elements. 
6. “Gold nuggets from New Guinea, showing a Concentric 
Structure,’’ by Professor LIVERSIDGE, F.R.S. 
7. ‘‘The rate of decay of the excited radio activity from 
the atmosphere in Sydney,”’ by S. G. LUSBY, B.A., and 
T. EWING, BSc. (Communicated by Prof. PoLLOcK.) 
Dr. HERMANN KLAATSCH of the Heidelberg University, 
kindly consented to give an account of his travels in 
Northern and North-western Australia, amongst the 
aboriginal population, on Thursday, December 13th, 1906. 
