(vi.) 



Page 



Art. XII. — On the internal structure of some gold crystals. By 

 A. Liversidge, ll.d., f.r.s., Professor of Chemistry in the 

 University of Sydney. [With Plates] 143 



Art. XIII. — Notes on the Arranda tribe. By R. H. Mathews, 



l.s., Corres. Memb. Anthrop. Soc , Vienna 146 



Art. XIV. — A short and accurate method for the estimation of 

 iron, alumina and phosphoric acid when occurring together. 

 By Thomas Cooksey, Ph. d., b. sc. ... 163 



Art. XV. — Note on the formation of formaldehyde in solutions of 

 cane sugar, and its bearing on Hehner's test for formaldehyde 

 in saccharine mixtures. By A. Alexander Ramsay ... 172 



Art. XVI. — Effect of Polar ice on the weather. By E. Du Faur, 



f.r.g.s. [With Plates] 176 



Art. XVII. — A comparison of the rainfall of Sydney and Melbourne, 



1876 to 1905. By A. Duckworth, f.r.e.s. [With Plates]... 190 



Art. XVIII. — The Australian Melaleucas and their essential oils, 

 Part II. By Richard T. Baker, f.l.s., Curator, and Henry 

 G. Smith, f.cs., Assistant Curator, Technological Museum, 

 Sydney. [ With Plates] 196 



Art. XIX. — Aboriginal navigation and other notes. By R. H. 



Mathews, l.s. ... '... ... ... 211 



Art. XX, — A short volumetric method for the estimation of sul- 

 phuric acid. By Thomas Cooksey, rh. d., b. 3c. ... ... 216 



ENGINEERING SECTION. 

 Art. XXI. — Chairman's Address. By J. Haydon Cardew, Assoc. 



M. lust. CE. ... ... ... ... ... ... ... ... I. 



Art. XXII. — Pumping machinery of the Metropolitan Board of 



Water Supply and Sewerage, Sydney. By J. F. Furniss. xxvi. 

 Abstract of Proceedings ... ... ... ... ... ... i. 



Proceedings of the Engineering Section ... lix. 



Index to Volume XLI. ... ... (xxi.) 



