CONTENTS. 



Page 



Aet. XIV. — On a new Angophora. By J. H. Maiden, i.s.o., f.r.s. 



Issued December 30th, 1920 175 



Art. XV. — The calculation of refractive index in random sections 

 of minerals. By Leo A. Cotton, m.a., d.sc, and Miss Mart 

 M. Peart, b.Sc Issued January 28th, 1921 177 



Art. XVI. — The Stethoscope, with a reference to a function of 

 the Auricle. By Professor J. A. Pollock, d.sc, f.r.s. Issued 

 February 8th, 1921 187 



Art. XVII. — The Essential Oils of Leptospermum flavescens var. 

 grandijlorum and Leptospermum odoratum. By A. E. Penfold, 

 f.c.s. Issued February 21st, 1921 197 



Art. XVIII.— Eucalyptus Oil Glands. By M. B. Welch, b.Sc. 



[With Plates XI- XIV. J Issued February 21st, 1921. ... 208 



Art. XIX. — The Temperature of the Vapour arising from boiling 

 Saline Solutions. By G. Harker, d.sc Issued February 

 21st, 1921 218 



Art. XX. — Notes on two Acacias. By J. H. Maiden, i.s.o., f.r.s., 



f.l.s-. Issued February 28th, 1921 227 



Art. XXI. — Notes on Leptospermum flavescens var. grandijlorum. 



By E. Cheel. Issued February. 28th, 1921 233 



Abstract of Proceedings i, — xxiv. 



Proceedings of the Geological Section xxv. -xxxiv. 



Proceedings of the Agricultural Section xxxv. — xlii. 



Proceedings of the Section of Industry ... ... xliii. -xlvi. 



Title Page, Contents, Notices, Publications, (i. - vi.) 



Officers for 1920-1921 (vii.) 



List of Members, &c Cix.) 



Index to Volume LIV xlvii. 



