ANNIVERSARY ADDRESS. / 



The following lists record the work done by the Society during 

 the last two sessions : — 



Papees bead, 1873-74. 



1. Anniversary Address. By the Eev. W. B. Clarke, M.A., Vice-President. 



2. Appendix to the Anniversary Address. 



3. On the solution of certain Geodesic Problems. By Martin Gardiner, 



Esq., C.E. 



4. Local particulars of the Transit of Venus. By H. C. Eussell, Esq., M.A. 



5. Note on the Bingera Diamond District. By Archibald Liversidge, Esq. 



6. On our Coal and Coal Ports. By James Manning, Esq. 



7. Appendix to " On our Coal and Coal Ports." 



8. On our Coal and Coal Ports. No. 2. By James Manning, Esq. 



9. The Mammals of Australia and their Classification. Part 1. — Ornitho- 



delphia and Didelphia. By Gerard Krefft, Esq. 

 10. On Geodesic Investigations. By Martin Gardiner, Esq., C.E. 



Papees read, 1874-75. 



1. On Duplex Telegraphy. By E. C. Cracknell, Esq. 



2. On Hospital Accommodation. By Alfred Roberts, Esq. 



3. On the Criminal Statistics of New South Wales. By Christopher Eol- 



leston, Esq. 



4. Description of Eleven new Species of Teirestrial and Marine Shells 



from the North-east Coast of Australia. By John Brazier, Esq., 

 C.M.E.Z.S. 



5. On the Treatment of Iron Pyrites. By G. Latta, Esq. Eead by H. A. 



Thompson, Esq. 



6. Iron and Coal Deposits at Wallerawang. By Professor Liversidge. 



Eead by Professor Smith. 



7. Nickel Minerals from New Caledonia. By Professor Liversidge. Eead 



by Professor Smith. 



8. Sydney Water Supply by Gravitation. By James Manning, Esq. 



9. Eesults of Observations of the late Transit of Venus. By H. C. Eussell, 



Esq., M.A., Government Astronomer. 



10. Eesults of Observations of the late Transit of Venus, at Eden. By the 



Eev. William Scott, M.A., Warden of St, Paul's College. Eead by 

 H. C. Eussell, Esq., M.A. 



Scientific Kesearches on board H.M.S. " Challenges." 

 It will be in the recollection of most of us, that the session of 

 the year 1874 commenced with a Cmversazione to which nume- 

 rous friends were invited,, to witness the experiments of my 

 learned colleague Professor Smith, and to inspect the instru- 

 ments for deep sea sounding exhibited by Captain Nares, 

 E.N., of H.M.S. " Challenger," together with specimens of the 



