XVI.—Notes on some New South Wales Silver and other 
Minerals, Professor Liversidge, F.R.S., &c. ............066 
XVII.—On the Composition of some Pumice gate from 
the Pacific. By Professor Liversidge, F.R.S., &c. ............ 
. XVITI.—Notes Ss asm in Lake sen % H. ©. 
Russell, B.A., F.R.S., 
. XIX.—The Strength ii Elasticity of Ironbark Timber 
as applied to Works of Construction. By Professor Warren, 
A.M.I.C.E,. 
“PROCEEDINGS 
ADDITIONS TO THE LIBRARY 
EXCHANGES AND PRESENTATIONS MADE BY THE RoYAL SocrmeTY OF 
NEw 1886 
PROCEEDINGS OF THE Pepa 
List or PUBLICATIONS 
InpEx 
ouTH WALES 
Sanitary Section. 
The Ventilation of es and the Dwelling. By J. Trevor 
Jones, City Enginee 
On the Rational Coaaeraiss of Chairs and Desks. By Reuter 
E. Roth, M.R.C.S.E. .. 
Notes on the Sanitary Condition of the Eastern Suburbs, &c. 
By F. H. Quaife, i ogee 
The Recent Outbreak of Small-pox on ceanien,” 
By J. Ash 
b.) 
** Oce: 
burton Thompson, M.D. eee ), San. Sci. Cert. 
A Note upon Scavenage. By J. Ashburton Thompson, M.D. 
(Brux.), San. Sci. Cert. (Camb.) 
—o of the Suburbs of Sydney. By J. Trevor Jones, 
