CONTENTS. 



NOTE. 



PAGl 



I. Inaugural Address of the president. Captain Clarke, R.E., Surveyor-General, &c., &c. i 



II. Definitions of Rare or Hitherto Undescribed Australian Plants, chiefly collected -within 



the Boundaries of the Colony of Victoria, and examined by Dr. Ferdinand Mueller. 5 



III. On the Comparative Value and Durability of the Building Materials in Use in 



Melbourne, by Robert Brough Smytli, Escj. . , . . . , . . 24 



IV. Definitions of Rare or Hitherto Undescribed Australian Plants, chiefly collected -within 



the Boundaries of the Colony of Victoria, and examined by Dr. Ferdinand Mueller, 

 (Continued.) . , . , . . . . . . . . . . 34 



V. Personal Observations made in an Excursion towards the Central Parts of Victoria, 



including Mount Macedon, M'lvor, and the Black Ranges, by Wm. Blandowski, Esq. 50 



VI. Original Rules and Tables, adapted to cases of Sidelong Ground, in the Setting Out 

 and Computation of Railway Earthworks, by Clement Hodgkinson, Esq., C.E., 

 Survey Department . , . . . . . . , , . , 74 



VII. On the Construction of an Instrument for Ascertaining the Mean Temperature of any 



place, by Dr. E. Davey .. .. .. .,85 



VIII. Meteorological Observations at Bendigo, by Ludwig Becker, Esq, . . . . 87 



IX. On the Influence oi" Gravity on the Physical Condition of the Moon's Surface, by Balfour 



Stewart, Esq. . , . . . . . . . . . . . . 92 



X. On the Adaptation of the Eye to the Nature of the Rays which emanate frnm Bodies, 



by Balfour Stewart, Esq. ,. .. .. ,^ .,95 



XI. Descriptive Characters of New Alpine Plants, from Continental Australia, by Dr. 



Ferdinand Mueller .. .. ., ,.96 



XTI. On the Failure of the Yan Yean Reservoir, embracing an Examination of the Report of 



the Committee on the Yan Ye." n Scheme, by David E. Wilkie, Esq. , M.B. . . Ill 



XIII. The Meteorology of Melbourne, by Dr. E. Davey .. 1G4 



XTV. On the Probable Influence of Evcporation on the Quantity of Water to be supplied by 

 the Reservoir at Yan Yean, by Clement Hodgkinson, Esq., C.E,, Survey Depart- 

 ment.. .. .. .. _ *^ J75 



XV, Report of the Commissioners appointed by the Philosophical Society to Investigate the 

 Alleged Insufficiency of Supply for the Yan Yean Water Works, by Dr. Wilkie. bv 

 Messrs. Fred. Acheson and F. C. Christy .. .. jg^ . 



XVI On the Influence of the Physical Character of a Country on the Climate, by R. Broueh 

 Smyth, Esq., Mining Engineer . , . . . . . . 



XVII. A Description of Fossil Animalculse in Primitive Rocks, from the Upper Yarra Dis- 

 trict, by William Blandowski, Esq. . . . . . . _ ^ 221 



XVIII, Practical Remarks on Eydrometry, by Clement Hodgkinson, Esq., C.E. .. .223 



XIX. X>n the Primary Upheaval of the Land Round Melbourne, and th«. Recent Origin of 

 the Gypsum or Sulphate of Lime in the Great Swamp between Batman's and 

 Emerald Hills, Flemington, Williamstowii, and Melbourne,' illustrated by a larKe 

 number of specimens from that locality, by William Blandowski, Esq. . . 229 



XX. On what Data does the City of Melbourne depend for an Adequate Sunnlv of Wflfpr 



from the Yan Yean Reservoir, by David E. Wilkie, Esq., M.D. . . . . 234 



XXI. Remarks on the favoiu-able Geological and Chemical Nature of the Principal Rocks 



and Soils of Victoria, in reference to the production of Ordinary Cereals and Wine 



by Clement Hodgkinson, Esq., C.E., Survey Department ... ... 260 



XXII. Proceedings 



XXIII. The Philosophical Society 



203 



GOODHUGH AKD TKEMBATH, PBINTERS, FLINDEBS LAJSTE. 



