CONTENTS. 



VOLUME LIV. 



Page. 



Art. I. — Presidential Address. By C. E. Fawsitt, D.Sc.,Ph.D. 



Issued September 15th, 1920. 1 



Art. II. — Council's Report ... 25 



Art. Ill, — The Action of Cupric Chloride on Organo-metallic 

 Derivatives of Magnesium. By E. E. Turner, b.a., m.Sc, 

 a.i.c. Issued September 27th, 1920. ... 37 



Art. IV.— On the Manufacture of Thymol, Menthone and Menthol 

 from Eucalyptus Oils. By H. G. Smith, f.c.s., and A. R. 

 Penfold, f.c.s. Issued November 30th, 1920. 40 



Art. V. — A New Species of Queensland Ironbark. By R. H. 



Cambage, f.l.s. [With Plate I.] Issued November 15th, 1920. 48 



Art. VI. —On Aphrophyllum Hallense, gen. et sp. nov. and Lithostro- 

 tion from the neighbourhood of Bingara, N.S. Wales. By 

 Stanley Smith, m.a., d.sc. f.g.s. (Communicated by Prof. 

 W. N. Benson, d.Sc, f.g.s. [With Plates II- F.] Issued 

 November 30th, 1920 51 



Art. VII. — Descriptions of three new species of Eucalyptus. By 



J. H. Maiden, i.s.o., f.r.s. Issued November 15th, 1920... 6Q 



Art. VIII. — Early Drawings of an Aboriginal Ceremonial Ground. 

 By R. H. Cambage, f.l.s , and Henry Selkirk. [With 

 Three Diagrams.'] Issued November 15th, 1920.* 74 



Art. IX. — A Geological Reconnaissance of the Stirling Ranges of 

 Western Australia. By W. G. Woolnough, d.Sc, f.g.s. 

 [ With Plate VI. ] Issued November 30th, 1920. 79 



Art. X —The Volcanic Neck at the Basin,, Nepean River. By 

 G. D. Osborne, b.sc. (Communicated by Prof. T. W. E. 

 David, c.m.g., d.s.o., f.r.s.) [With Plate VII.~\ Issued 

 December 6th, 1920 113 



Art. XI. — Acacia Seedlings, Part VI, By R. H. Cambage, f.l.s. 



[With Plates VIII -X.] Issued December 30th, 1920. ... 146 



Art. XII. — On a Box Tree from New South Wales and Queens- 

 land. By J. H. Maiden, iTs.o., f.r.s. Issued December 30th, 

 1920 163 



Art. XIII. — Notes on Eucalyptus, No. IX., with descriptions of 

 three new species. By J. H. Maiden, i.s.o., f.r.s. Issued 

 December 30th, 1920 167 



