CONTENTS, 
VOLUME XXXI, 
Pags. 
re of dis “ve i ves Sas 
&e. 6 
nt. I.—Presipent’s Aunties By : H. Maida? + F.1.B, i 
Aer. IL—On the Crystalline Structure of Gold and Platinum 2 
_ Nuggets and Gold Ingots. By A. ria LL.D., PRS. : 
| (Plates i.— xvi.) .. 70 
ART. UI—A Contribution to the Study of toca at Lik Pres. 
sures. By R. Threlfall, m.a., and Florence Martin — cee. 
Arr. IV. —Determination of the Orbit Elements of Comet f 1896 Pe ere 
C. J. Merfield, r.p.a.s. ee 
(Perrine). By 
Agr. Ares for Ascertaining the Minute Straing wink: 
occur in Materials when Stréssed within the Elastic tia 
: ‘By Ww. iH. Warren, Wh. Sc., M. Am. Soc. C.E., M. Inst. 0. E. 
Arr. VI.—The Theory of the Reflecting ‘Extensometer of Prof, 
‘Martens. By G. H. Knibbs, r.n.a.s..., 
VII.—The Srasbang, or Initiation Ceremonies of the Mur 
rumbidgee " . By RB. H. Mathews, 1 Ls. = 
ART. Yi Totonie Divisions. of Australian 
