Art. XVI. — Gold Specimens from Bendigo and their Probable Modes 



of Origin. By F. L. Stillwell, D.Sc. (Plate I.) ... 162 



XVII.— On a Fossil Filamentous Alga and Sponge-Spicules fprming 

 Opal Nodules at Richmond River, N.S.W. By Frkdk. 

 Chapman, A.L.S. (With 2 Text Figures) ... ... 167 



XVIII. — Oil the Changes of Volume in a Mixture of Dry Seeds and 



Water. By Alfred J. Ewaet, D.Sc, Ph.D. ... ... 172 



XIX. — Further Researches into the Serological Diagnosis of Con- 

 tagious Pleuro-Pneumonia of Cattle. By G. G. IIeslop, 

 D.S.O., D.V.Sc, D.V.H. ... 180 



XX. — High Frequency Spectra — K. Series of Platinum. By 



J. Stanley Rogeus, B.A„ B.Sc. ((With 3 Text Figures) 196 



XXI.— Coutributious from the National Herbarium of Viutoriii. 

 —No. 1. By J. R. TovEy and i\ F. Morris. (With 2 

 Text Figures) ... ... ... ... ... 207 



Annual Report and Financial Statement for 1921 ... ... 2i3 



Office-Bearers ... ... ... .. ... ... ... 219 



Committees ... ... ... ... ... ... ... 220 



List op Members ... ... ... ... ... ... 221 



Index ... ... ... ... ... ... ... ... 231 



