CONTENTS. 



VOLUME LI. 



Page. 

 Art. I. — Presidential Address. By T. H. Houghton, m. inst. c.e. 1 

 Art. IT. — Notes on Acacia, No. II. — Tropical Western Australia, 



(Including Descriptions of New species). By J. H. Maiden, 



i.s.o., f.r.s., f.l.s. [With Plates I - IV .~] ... ... ... 71 



Art. III. — Tables to facilitate the location of the Cubic Parabola. 



By C. J. Meriteld, f.r.a.s. (Communicated by J. Nangle). 125 

 Art. IV. — The problem of the Great Australian Artesian Basin. 



By Alex. L. du Toit, d.sc, f.r.s. s.Afr . (Communicated by 



J. E.Carne) 135 



Art. V.— The Sydney Water Supply. By T. W. Keele, m. tost, c.e 209 

 Art. VI — On the Eesin of the Outer Bark of Melaleuca uncinata. 



By Henry G. Smith, f.c.s ... 232 



Art. VII. — Notes on Acacia, No. III. — Extra-tropical Western 



Australia, (with descriptions of New species). By J. H. 



Maiden, i.s.o., f.r.s., f.l.s ... ... ... 238 



Art. VIII. — Azurite Crystals from Mineral Hill, near Condobolin, 



N.S.W. By C. Anderson, m.a., d.sc. [With Plates V, VI.] 275 

 Art. IX. — Notes on Topographical, Ecological and Taxonomic 



Ocean Shoreline Vegetation of the Port Jackson District. 



By A. A. Hamilton. [With Plates VII - XIII. [ 287 



Art. X. — Some Determinations of the Heat Conductivity of Selen- 

 ium by Edna D. Satce, b.Sc. (Communicated by Acting 



Professor O. IT. Vonwiller) ... ... ... 356 



Art. XI. — Notes on the early stage of development of Lysurus 



Gardneri (L. australiensis) . By J. B. Cleland, m.d., and 



Edwin Cheel. [With Plate XIV.} 364 



Art. XII. — A Fossil Isopod belonging to the Fresh- water genus 



Phreatoicus. By Charles Chilton, m.a., d.sc, f l.s., etc. 



(Communicated by E. J. Tilltard). ... ... ... ... 365 



Art. XIII. — Acacia Seedlings, Part III. By E. H. Cambage, f.l.s. 



[With Plates XV - XIX] 389 



Art. XIV. — On some New South Wales Ironbarks. By E. T. 



Baker, f.l.s. [With Plates XX - XXIV] 410 



Art. XV. — Description of Two Bora Grounds of the Kamilaroi 



Tribe. By E. H. Mathews, l.s. 423 



Art. XVI. — Note on the Great Australian Artesian Basin. By 



E. F. Pittman, a.r.s.m ... ... 431 



