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.] fssued 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- V.~\ 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... 66 



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 V1I.~] 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, i. s.o., f.r.s. Issued December 30 ;h, 

 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 



