PROCEEDINGS OF SECTIONS. 
Section A. 
ASTRONOMY, MATHEMATICS, AND PHYSICS. 
Page. 
1. On the most Probable Value and Error of Australian Longitudes, including 
that of the Boundary Lines of South Australia with Victoria and New 
South Wales. By Pietro Bahacchi, F.R.A.S. 185 
2. Transit of Mercury, 181)4, November 11 — Egress. By J. P. Thomson, 
F.R.S.G.S., &c 208 
3. Design for a Photographic Transit Circle. By H. C. Russell, B.A., 
C.M.G., E.R.S., Government Astronomer, New South AVales 211 
4. On a Form of the Differential Equations of Dynamics. By Sir Robert 
Ball, LL.D., F.R.S. , L own dean Professor of Astronomy and Geometry 
at Cambridge .. ... ... .... ... 215 
5. An Elementary Exposition of the Theory of Power Series. By G. Fleuri, 
Licencie Sciences Mathematiques, Licencie es Sciences Physiques ... 217 
6. The Energy of the Electro-Magnetic Field. By Professor Bragg, M.A.... 228 
7. Some Notes on the New Royal Observatory, Edinburgh. By Ralph Cope- 
land, Pb.D., F.R.A.S., F.R.S.E., Astronomer Royal for Scotland, and 
Professor of Astronomy in the University of Edinburgh 231 
8. The Maintenance of Solar Energy. By His Grace the Archbishop of 
Hobart 234 
9. Why do we not take a Deeper Interest in Astronomy ? By Rev. Thos. 
Roseby, M.A., LL.D 234 
10. Conjecture as to the Present Stage of the Life History of Mars, from com- 
parisons of the Earth, Moon, and Mars. By J. Ewen Davidson, M.A., 
Oxon ., ... 234 
11. Advancement of Astronomy in the Southern Hemisphere. By R. T. A. 
Innes, F.R.A.S : ... 234 
12. A Proposed Meteorological Station on Mount Wellington. By H. Kings- 
mill, The Observatory, Hobart ... .. ... 234 
Section B. 
CHEMISTRY. 
1. Variation in the Amount of Free and Albuminoid Ammonia in Waters, on 
Keeping. By A. Liversidge, M.A., F.R.S., Professor of Chemistry, 
llniversity of Sydney, N.S.W. 235 
2. On the Corrosion of Aluminium. By A. Liversidge, M.A., F.R.S 239 
3. Crystallised Carbon Dioxide. By A. Liversidge, M.A., F.R.S 240 
4. On the Internal Structure of Gold Nuggets. By A. Liversidge, M.A., 
F.R.S 240 
5. Contributions to the Bibliography of Gold. By A. Liversidge, M.A., 
F.R.S 240 
6. The Refractory Gold Ores of Queensland — Their Sources and Treatment. 
By E. A. Weinberg, M.E. 257 
7. Analyses of the Artesian Waters of New South Wales, and their Value for 
Irrigation and other purposes. By John C. H. Mingaye, F.C.S., 
M.A. I. M.E., Analyst to the Department of Mines, N.S.W. .. ... 265 
8. Some Notes on the Poisonous Constituents of Stephania Bernwndice folia. 
By E. H. Rennie, M.A., D,Sc., and E. F. Turner 277 
9. Preliminary Notes on the Bark of Car ism ovata , R. Br., var. Stdonifera , 
Bail. By J. H. Maiden and H. G. Smith 278 
10. The Ointments of the Pharmacopoeia. By F. W. Simmonds 282 
11. Soil Analysis. By F. B. Guthrie, Chemist to the Department of Agricul- 
ture, New South Wales 28# 
