Anniversary Address. 3 



2. " A Eeview of the Progress of Lands Titles, Eegistration 

 in New South Wales," by &. K. Holden, Esq. May 12th. 



3. " Analytical Solution to Sir William Hamilton's Problem, 

 on the inscription of closed n gons in any quadric,'' by 

 Martin G-ardiner, Esq. June 2nd. 



4. "Important new theorem in the Geometry of three 

 dimensions," by Martin G-ardiner, Esq. June 2nd. 



5. " An Exposition of the American Method of Levelling for 

 Sections — its superiority to the English and French Methods 

 as regards actual field practice, and subsequent plotting of 

 the Section," by Martin G-ardiner, Esq. June 2nd. 



6. " On the Electric Telegraph between England and India, and 

 how to connect the Australian Colonies, with the Telegraphic 

 Systems of Europe and America," by E. C. Cracknell, Esq. 

 July 14th. 



7. " On the G-eological Structure of the country around 

 G-oulburn," by Professor Alexander M. Thomson, D. S. 

 August 5 th. 



8. " On the Origin and Migrations of the Polynesian Nation, 

 demonstrating their discovery and progressive settlement of 

 the Continent of America, (Part 1,) by the Eev. J. D. Lang, 

 D.D. November 3rd. 



Continued in Part II on November 3rd. 

 And in Part III on December 8th. 



9. " Improved Solutions to Important Problems in Trigonome- 

 trical Surveying," by Martin Gardiner, Esq. October 6th. 



10. " On the Water Supply of Sydney from George's Eiver 

 and Cook's E,iver," by Charles Mayes, Esq. November I7tb. 



11. " On the Eesults of the Chemical Examination of Waters 

 for the Sydney Water Commission," by Professor Smith, 

 M.D. November I7th. 



12. " On G-old Eefining by means of Chlorine Gas," by 

 E. B. Miller, Esq. (Sydney Mint.) December 1st. 



13. " On a New Apparatus for reducing Chloride of Silver," 

 by Dr. Leibius, (Sydney Mint). December Ist. 



14. " Eemarks on Tables for calculating the Humidity of the 

 Air," by H. C. Eussell, Esq., Government Astronomer, 

 December 8th. 



