‘VOLUME LIZ, 
L.—PREsIDENTIAL ADDRESS. By Se Bunton ‘Cupra v1 
M.D., Ch.M. Issued September 5th, 1918. era: 
elds = "The Spine Mode of Centropyxis dies Stein. eS 
=. D. GILLIES, M.Sc. [With Hae Tewt Ble >: Issued — 
September 12th; A918.2 es oi Soa ees : ; 
IIJ.—A new species of Leptospermum aaa its” Hssential Oil. 
By R. W. CHatutinor, F.c.s., EH. CHEEL and = R. PeNvoup. 
Issued September 18th,1918.... ee <i hes 
IV. —Notes on some Permo-Carboniferous Fenestellide, (with — 
descriptions of new species). By Cor: LASERON. [With — 
Plates I-XVI.] Issued October 17th, 1918. iy ee 
V.—A Simple Progressive Tax, and its beatien on Ge 2 
Federal Income Tax and other Acts. By Professor He: 
CARSLAW, M.A., Sc.D. Issued October 17th, 1918. ... — 
VI.—A contribution toa History of the Royal Society of New | 
‘South Wales (with information in regard to other New South — 
Wales Societies). By J. H. Marpsgn, LS0W PE, 
Issued December 30th, 1918. es, 
kt 
eee ee 
2 
iaibeee By R. T. ope F.L.S. [With Plates XVI- 20K] 
Issued March 24th, 1919.. si 3 a : 
VIII.—TheVertival Growth of Trees. By He H. Campace, = ES 
Issued January 16th, 1919. 
IX.—The Darling Peneplain of Western Suetedltae By Pro oe 
W. G. WooLnovueH, D.Sc, F.G.S. ee 8 Plate XXX. c.] Tsaned - 
January W6th; 19a a 
: X.—Experiments on the behaviour a drone in contact with: 
‘Sulphuric Acid. By Prof. C. E. Fawsirv, D.se., Ph. Dy ‘and 
A. A. PAIN, B.Se. Issued January 24th, 1919: 5 ee “ao 3 ih Suen cape 
“ART. XI.—Note on the Resinous earth pe at the head of th 
Nambucca River, N.S.W. By H. pares F.0.8. ‘Is Xe 
January 24th, 1919. oe ae Mixa 
een ay eee 
Aer XII.—Acacia Seedlings, Part EVs By R. H. Canaan, 9a 
: aoe AES ST XXX Wel lesa March Th, 1919. 
