a 
vy 
Bee aura CONTENTS. 
‘ Arr. XIV.— Analyses of Roman Glass from Silchester, with special 
Arr. XVIL—The available water derivable from gathering 
Z PagE 
Arr. XI.—Analyses of Chocolate Shale and of Tufaceous Sand- 
stone from the Narrabeen Series. By S. G. WauTon, Junior 
as Demonstrator, University of Sydney. With a petrological 
_description by R. S. BunNnrEy, B.A. (Communicated by Prof. 
LivERSIDGE, F.R.S.) BL Nae Ee es aes w» =154. 
- Arr. XII.—The rate of decay of He: Excited Rudio-nctivsty from ti ea eer 
the Atmosphere in Sydney. By S.G. Lussy, B.a., and T. Bae 
EwInG, B.Sc. (Communicated by Prof. Poutock.) .. ca oS a ata 
Agr. XIII. —Gold Nuggets from New Guinea showing a concentric . 
structure, By A. Liversipae, LL.D., F:R.S., Professor of 0) 
Chemistry in the University of Sydney. [With Plates] ... 161 — ti 
. reference to the amount of Manganese and Iron present. 
yee By Gad: WHITE, Caird Scholar, University of Sydney. 
(Communicated by Prof. Liverstpex, F.R.S. iy BS) eh we 163 
> 
ENGINEERING SECTION. 
Art. XV.—Washinz and Grading Sand for Concrete. He W. BE. | 
-Coox, M.C.E., M.Inst.C.B.  ... at ee sé: ‘ ee I. 
Art. XVI.—Notes on Wharf CMG foes Sydney Harbour. By ae gS, 
H. D. Watsu, B.A.1., T.c. Dub., M. Inst, OB. [With Plates] i) SREY ‘afeaie 
grounds, the loss, the reason for such loss, and the relation 
between rainfall and discharge of the Murray River andits 
tributaries. By R. T. McKay, Assoc. M. Inst, 0.6. [ With Plates] XLVI. 
ART. XVIIL.—Irrigation Work in California, and its relation to — 
the transmission of electricity. By T. Rooks, assoc. M. Inst,C E. LXXXI. 
Art. XIX. —Transverse tests of Jarrah made at Sydney Technical — 
College. By James Naneur, v.1.a. [With Plates] ... 
“Apsrract OF Penne cel he : 
ee tee aoe 
-PRoceEpINGs OF THE HNGirne ee ECTION .. ye 
Inpex TO VoLuME 5.4) Paes oH Ee es ees 
‘ 
see eee 
1 
