ABSTRACT OF PROCEEDINGS. XV. 



The President announced the death of Sir John Russell 

 French who was elected a member in 1899. 



The President announced that a Popular Science Lecture 

 entitled: — "The Economics of the Australian Vegetation 

 irrespective of Timber," would be delivered by Mr. H. G. 

 Smith, P.c.s., on Thursday, 21st July, 1921. 



The following donations were laid upon the table: — 3 

 volumes, 260 parts and 14 reports. 



THE FOLLOWING PAPERS WERE READ: 



1. "Note on the Relation of Streams to Geological Struc- 



ture with special reference to Boat-hook Bends," by 

 W. R. Browne, b.Sc. Remarks were made by Professor 

 Griffith Taylor, Mr. C. W. Mann, and the President. 



2. "Notes on the Cassiterite Crystals from the New Eng- 



land District of New South Wales, and Stanthorpe, 

 Queensland," by Miss Marie Bentivoglio, B.Sc, (com- 

 municated by Acting-Professor L. A. Cotton, m.a.,d.s c .) 



3. "The Decomposition of Dimethyl Oxalate by Acetic 



Acid," by E. E. Turner, b.a., d.sc, a.i.c, and F. H. 

 Wilson. 



4. "The Kurrajong Earthquake of August 15th, 1919," by 



Acting-Professor L. A. Cotton, m.a., d.sc. Remarks 

 were made by Rev. E. F. Pigot and Professor Griffith 

 Taylor. 



Mr. J. H. Maiden contributed the following note: — 

 "The Philosophical Society of Australasia, 1821. 



If members will turn to my contribution to a history of our 

 Society, as contained in our Journal, Vol. lii, page 215, they will 

 see on page 218 a list of some of the members. It has, however, 

 always been something of a mystery as to what caused the discon- 

 tinuance of the Society, and I have made a reference to the possible 

 cause on pages 222 and 223. 



