C O N T E N T S. 



Papers : — Paga 

 On the Aneroid Barometer, with a Diagram. By Com- 

 mander Kay, R.N., F.R.S,, &c 83 



Account of Dr. Motherwell's Analysis of certain Woods 

 of Tasmania. By His Excellency Sir W. T. Denison, 

 F.R.S. ,&c.. 87 



Sir William Denison on the Manufacture of Potash from 



Tasmaiiian Woods 93 



Remarks on Dr. Motherwell's Report, and Experiments 



on a Hydraulic Cement. By Sir Wm. Denison 99 



Observn lions on Statistics of Van Diemen's Land for 



1848. By James Barnard, Esq 102 



On the Introduction of Salmon from the Rivers of 

 Scotland into Tasmania. By the late Capt- C. E. 

 Stanley, R.E 135 



Meteorological Tables for 1847 and 1848, with Observa- 

 tions. By Commander Kay, F.R.S, &c., Director of 

 H.M. Royal Observatory, Hobart Town 144 



Proceedings at Monthly Evening Meetings from their 

 institution lOth August, 1848, to the 31st December, 

 1849 154 



Abstract of Meteorological Observations at Launceston 



for 1847 and 1848. By W. R. Pugh, Esq., M.D.... 178 



Miscellanea : — 



Professor Owen's Remarks on the Observations " Sur 



rOrnithorhynque." Par M. Jules Verraux 179 



On a New Species of Apterix. By John Gould, Esq., 



F.R.S., &c 183 



On Species of the Genus Placenta of Retzius. By J. E. 



Gray, Esq., F.R.S., &c. &c 184 



Remarks on the Origin of Plants, and the Physical and 



Geographical Distribution of Species. By the Rev. 



Dr. Fleming 186 



PRINTED BY H. & C. BEST, "COOraER" OFFICE, 



C0I.L1N8-STRKET, HOBART TOWN. 



