I •■ 



CONTENTS. 



VOLUME XXXVI. 



£ 



Page. 



Officers fob 1902-1903 ... (vii.) 



List of Members, &c. ... ... ... ... ... ... ... (xi.) 



Art. I. — The Parks of Sydney ; some of the problems of control 

 and management. By J. H. Maiden, Director of Botanic 

 Gardens and Domains, Sydney; Officer-in-Charge of the 

 Centennial Park. [With Plate] 1 



Art. II. — Possible relation between Sunspot Minima and Volcanic 

 Eruptions. By II. I. Jensen, (Communicated by Prof. David, 

 b.a., f.r.s.) [W ith Plate] ... ... 42 



Art. III. —Notes on two chemical constituents from the Eucalypts. 

 By Henry G. Smith, f.c.s., Assistant Curator, Technological 

 Museum ... ... ... . , ... ... ... ... 61 



Art. IV. — The Aboriginal Languages of Victoria. By R. H. 



Mathews, l.s., Memb. Assoc. Etran. Soc. d'Anthrop. de Paris 71 



Art. V. — The Mitigatiou of Floods in the Hunter River. By 



J. H. Maiden . 107 



Art, VI. — A rapid Gravimetric Method of Estimating Lime. By 



F. B. Guthrie, f.i.c, f.c.s., and C. R. Barker 132 



Art. VII. — Languages of some Native Tribes of Queensland, New 

 South Wales and Victoria. By R. H. Mathews, l.s., Corres. 

 Memb. Anthrop. Soc, Washington, U.S. A 135 



Art. VIII. — Pot Experiments to determine the Limits of Endur- 

 ance of different Farm-crops for certain injurious substances. 

 By F. B. Guthrie, f.i.c, f.c.s., and R. Helms 191 



Art. IX. — Current Papers, No. 7. By H. C. Russell, b.a., cm.g., 



f.r.s. [With Diagrams] 201 



Art. X— Forests considered in their Relation to Rainfall and the 



Conservation of Moisture. By J. H. Maiden... ... ... 211 



Art. XI. — Meteoric Dusts, New South Wales. By Professor A. 



Liversidge, ll.d., f.r.s., University of Sydney ... ... 241 



Art. XII. — Occurrence of Gadolinite in West Australia. By 

 Bernard F. Davis, b.sc. with notes by W. G. Woolnough, b.sc. 

 f.g.s., and Prof. T. W. E. David, b.a., f.r.s 286 



Art. XIII. — Investigation in regard to the comparative strength 

 and elasticity of Portland Cement Mortar and Concrete when 

 reinforced with Steel Rods and when not reinforced. By 

 W. H. Warren, M.inst. c.e., wh. sc, Challis Professor of Engineer- 

 ing, University of Sydney ... ... ... ... ... 290 



