ABSTRACT OP PROCEEDINGS. XX111 



Resolved that the best*thanks of the Society be conveyed 

 to Professor Liversidge for his kindness in dealing with 

 this matter. 



Darwin Centenary Celebration 1909. 

 To the Chancellor and Members of the University of Cambridge. 



At the request of the Royal Society of New South Wales, I 

 have the honour to offer the most cordial congratulations and 

 best wishes of its Members to the University of Cambridge upon 

 the occasion of the celebration of the one hundredth anniversary 

 of the birth of Charles Darwin, and the fiftieth anniversary of 

 the publication of the "Origin of Species." 



The Royal Society of New South Wales has special pleasure in 

 accepting the invitation to take part in this international gather- 

 ing to do honour to the work and memory of one of the greatest 

 students of Nature the world has ever known, inasmuch as some 

 of the earliest researches of Charles Darwin in Natural History 

 and Geology were made in New South Wales. 



A. Liversidge, Delegate. 

 London, June 18th 1909. 



THE FOLLOWING PAPERS WERE READ! 



1. "Notes on Flour-strength," by F. B. Guthrie, f.i.c, 



f.c.s., and G. W. Norris. 



Remarks were made by Mr. Loxley Meggitt, Prof. J. A. 

 Schofield and Dr. H. G. Chapman. 



2. "On some Building and Ornamental Stones in New South 



Wales," by R. T. Baker f.l.s. and J. Nangle, f.r.a.s. 

 Remarks were made by Dr.WooLNOUGH, Mr. W.J. Olunies 

 Ross, Dr. Stokes, Dr. Greig-Smith and the Chairman. 



3. On the nature of the Large Ions in the Air," by J. A. 



Pollock, d. s c ., etc. 



Abstract of lecture "On Volcanic Action in Australia," 

 (Illustrated by diagrams) by H. I. Jensen, d.sc, delivered 

 21 October, 1909. First the cause of volcanic action, its 



