vi Contents. 



PAGE 



XVI. The Sciopticon, by W. M. Cooke 69 



XVII. Notes concerning the Phenomena of the Approach 



and Eecession of Bodies under the Influence of 



Eadient Energy, by Alfred Mica Smith, B.Sc. .. 69 — 81 



XVIII. A Universal Equatorial and an Instrument for 



Facilitating the Observation of Mars, by T. 



Harrison, Esq. 82 



XIX. The Arithmometer, by W. C. Kernot, Esq., M.A. . . 82—88 

 XX. On the Meteor of April 15th, by J. Perry, Esq. . . 88 



XXI. On " Surcharge " of the Bullion Assay, by Kobert 



Barton, Esq 89—92 



XXII. On a Proposed New Method of Weighing, applicable 



to the Gold Bullion Assay, by George Foord, Esq. 93 — 109 

 XXIII. On the Past and Present of the Port of Melbourne, 

 and Proposed Works for its Improvement, by 

 T. E. Eawlinson, Esq 110—122 



Letter from B. C. Gunn, Esq., on subject of Art. X. . . 123 — 124 



Proceedings, &c., 1874-75 125—137 



Laws .. 138—147 



Members 148—151 



EKKATA— Vol. XI., p. 14. 



Line 27 — For Spiroporince, read Spiroporina. 

 Line 29 — For C7ig^ostomata, read Ctycfostomata. 



