A F. B. GUTHRIE, 



Papers read in 1903. — During the past year the Society 

 held eight meetings, at which 19 papers were read, the 

 average attendance of members was 33 and of visitors 2. 



Art. I. — Presidential Address. By Professor W. H. Warren, 



Wh. Sc, M. Inst. C.E., M. Am. Soc. C.E, 

 Art. II. — Language of the Bungandity Tribe, South Australia. 



By R. H. Mathews, l.s., Associe etranger Soc. d'Anthrop. 



de Paris. 

 Art. III. — Notes on Tide-Gauges with a description of a new one. 



By G. H. Halligan, l.s., f.g.s. [With Plates'] 

 Art. IV.— The Sand-Drift Problem in New South Wales. By 



J. H. Maiden, p. l.s., Government Botanist and Director of 



the Botanic Gardens, Sydney. 

 Art. V. — Aluminium the chief inorganic element in a Proteaceous 



Tree, and the occurrence of Aluminium Succinate in trees 



of this species. By Henry G. Smith, f.c.s., Assistant Curator 



Technological Museum, Sydney. [With Plate] 

 Art. VI.— Economic Effect of Sanitary Works. By J. Hatdon 



CARDEW, Assoc. M. Inst. C.E. [With Plates] 

 Art. VII.— Sand-Drift Problem of Arid N. S. Wales. By Colin 



J. McMaster, Chief Commissioner of Western Lands. [With 



Plate] 

 Art. VIII. — The Aboriginal Fisheries at Brewarrina. By E. H. 



Mathews, l.s., Associe etranger Soc. d'Anthrop. de Paris. 



[With Illustrations] 

 Art. IX. — The Separation of Iron from Nickel and Cobalt by Lead 



Oxide (Field's Method). By T. H. Laby, Junior Demonstrator 



of Chemistry, University of Sydney. (Communicated by 



Professor Liversidge, m.a., ll.d., f.r.s.) 

 Art. X. — Pot Experiments to Determine the Limits of Endurance 



of different Farm-Crops for certain Injurious Substances. 



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

 Art. XI. — Bibliography of Australian Lichens. By E. Cheel. 



(Communicated by J. H. Maiden, f.l.s.) 

 Art. XII. — On the Protection of Iron and other Metal Work. By 



William M. Hamlet, f.i.c, f.c.s., Government Analyst. 

 Art. XIII. — A Comparison of the Periods of the Electrical Vibra- 

 tions associated with Simple Circuits. By J. A. Pollock, b.Sc, 



Professor of Physics in the University of Sydney; with an 



Appendix by J. C. Close, Deas-Thompson Scholar in Physics. 

 Art. XIV. — A Contribution to the Study of the Dielectric Constant 



of Water at Low Temperatures. By O. U. Vonwiller, B.Sc. 



Demonstrator in Physics in the University of Sydney. 



