CONTENTS OF VOL. X. 



Peesident's Address, 1870 

 President's Address, 1871 

 President's Address, 1872 



Page 



xix — xxxii 



XXXV — liii 



Ivii — Ixxi 



Art. I. Notes on the Earthquake in Gipps Land, by 



E. L. J. Ellery, Esq 1 — 4 



II. Notes on the Quality of Hartley and Greta Shale 

 for the Manufacture of Gas, together with a 

 description of the new Coal Seam at Greta, by 

 A. K. Smith, C.E., F.E.S.S.A., &c. &c • 5—11 



III. rj Argus and surrounding Nebula, by A. ^Le 



Sueur, Esq. 11—16 



IV. Decay of Gaspipes in certain Soils, by George 



Foord, Esq. 16—23 



V. On ri Argus and Jupiter's Spectrum, by A. Lb 



Sueur, Esq. 23—27 



VI. Notes on a Simplification of a Photographic 

 Process used with Self-Eegistering Instruments, 

 by E. L. J. Ellery, Esq 28—31 



VII. On the Brilliant Aurora of the 5th April, 1870, by 



E. L. J. Ellery, Esq. 32 



Vin. Notes on the occurrence of Enhydros or Water 



Stones at Beeehworth, by E. J. Dunn, Esq. . . 32 — 35 



IX. On Street Odours and Neglect of Ventilation, by 



Wm. Walker, Esq. . . . . . . . . 35 



X. Hand v. Machine broken Metal, with regard to 



their comparative value for the construction 

 and repair of city and suburban streets and 

 roads, by A. K. Smith, Esq. . . . . ... 36 — 38 



XI. On the Melbourne Great Telescope, "by H. A. 



Severn, Esq. . . . . . . . . . . 39 



XII. Some Notes on the Culture of Opium in Gipps 



Land, by Joseph Bosisto, Esq. .. .. .. 39 — 42 



Xni. On Hydrogenium, by George Foord, Esq. . . 42 — 46 



XTV. On the Melbourne Great Telescope, by A. Le 



Sueur, Esq. - 46 



XV. On Eailway Working Expenses in Victoria, by 



F. 0. Christy, Esq. .. .. .. .. 46 



XVI. On the Ventilation of Ships, by William 



Walker, Esq 47 



