CONTENTS. 



Page 



Art. II. — Continued ... ... ... ... ... ... ... 65 



Art. III. — Observations on the Corrosion of Steel in Water. By 

 G. J. Burrows, b. sc., and C. E. Fawsitt, d. sc (Contribu- 

 tion from the Chemical Department, University of Sydney). 

 {With Plate IV.'] 67 



Art. IV. — Studies in Statistical Eepresentation : Statistical 

 applications of Fourier Series. (Illustrated by the analysis 

 of the rates of marriage, temperature, suicide, etc.) By 

 G. H. Knibbs, c.m.g., f.r a.s., f.s.s. etc. Commonwealth 

 Statistician ... 76 



Art. V. — Echinorhynchus pomatostomi, (n.s.), a subcutaneous para- 

 site of Australian Birds. By T. Harvey Johnston, m.a.. d.sc, 

 and J. Burton Cleland, m.l>„ ch. m„ (From the Government 

 Bureau of Microbiology, Sydney, N.S.W.) Ill 



Art. VI. — Erosion and its Significance. By E. C. Andrews, b.a., 



Department of Mines, Sydney. ... 116 



Art. VII.— Notes on the Geology of West Moreton, Queensland. 



By E. A. Wearne, b.a., and W G. Woolnough, d.sc, f.g.s. 137 



Art. VIII. — Preliminary note on the Geology of the Kempsey 

 District. By W. G. Woolnough, d.sc, f.g.s., Lecturer in 

 Applied Geology and Mineralogy, University. [With PlateVJ] 159 



Art. IX. — The Effect of Heating and Antiseptic Treatment on 

 the Solubility of Fertilising Ingredients in Soils. By H. I. 

 Jensen, d.s c ., Chemist's Branch, The Department of Agri- 

 culure of New South Wales 169 



Art. X. — Preliminary note, on the Nepheline-bearing Rocks of 

 the Liverpool and Mount Royal Ranges. By W. N. Benson, 

 b.sc. [With Plates VI, VII .] 176 



Art. XL— On the Occurrence of Explosive or Booming Noises 

 (Barisal Guns) in Central Australia. By J. . Burton 

 Cleland, m.d. ... 187 



Art. XII,— The Origin of the Small Bubbles of Froth. By J. A. 

 Pollock, d. sc, Professor of Physics in the University of 

 Sydney. [With Plates VIII, IX, X.] ... 204 



