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J. H. MAIDEN. 
. Note on a method of separating colloids from crystalloids by 
filtration, by C. J. Martin, D.sSc., M.B. 
An explanation of the marked difference in the effects pro- 
duced by ‘subcutaneous and intravenous injection of the 
venom of Australian snakes, by C. J. Martin, D.sc., MB. 
On the occurrence of a submerged forest, with remains of the 
Dugong, at Shea’s Creek near Sydney, by R. Etheridge, Junr., 
Professor T.,W. Edgeworth David, B.a., F.a.s., and J. W. 
Grimshaw, M. Inst. C.E. 
Note on recent determinations of the viscosity of water by 
the efflux method, by G. H. Knibbs, F.r.4.s., Ls. 
. On the constituents of the ‘Silky Oak,’ Grevillea robusta, R.Br., 
and the presence of butyric acid therein, by Henry G. Smith, 
VCs 
. Current Papers, No. 2, by H. C. Russell, B.a., c.M.G., F.R.S- 
. Additional remarks concerning Aboriginal Bora held at 
Gundabloui in 1894, by R. H. Mathews, ts. 
. On the occurrence of precious stones in New South Wales 
and the deposits in which they are found, by Rev. J. Milne 
Curran. 
. Sill structure and fossils in eruptive rocks in New South 
Wales, by Professor T. W. Edgeworth David, B.A., F.G.8. 
. On the presence of a true manna on a ‘Blue Grass,’ Andro- 
pogon annulatus, Forsk., by R. T. Baker, F.u.s., and Henry 
G. Smith, F.c.s. 
. The rigorous theory of the determination of the meridian 
line by altazimuth solar observations, by G. H. Knibbs, 
F.R.A.S., 1.8. 
The notable hailstorm of 17 November, 1896, in parts of parish 
of Gordon, by E. Du Faur, F.n.a.s. 
4, SecrionaL Meetines.—The Engineering Section held eight 
meetings at which the following papers were read and discussed :— 
1. Annual Address to the Engineering Section, by Professor W. 
H. Warren, Wh. S8c., M. Inst. C.E. 
2. The machinery employed for artificial refrigeration and ice 
making, by Norman Selfe, M. Inst. C,E., M.LM.E., &, 
