CONTENTS OF VOLUME XI -Pt. I. 



Akt. I.— The Boasting and Treatment by Chlorine of Gipps- 



land Auriferous Ores. By D. Clark, B.C.E. ... 1 



II. — Further Descriptions of the Tertiary Polyzoa of 

 Victoria. Part I. By C M. Maplestone. (Plates 

 I. and II.) 14 



III.— The Occurrence of So-called Obsidian Bombs in 

 Australia. By E. H. Walcott, F.G.S. (Plates 

 III. and IV.) ... .. ... ... 23 



IV. — The Geology of the Lower Leigh Valley. By John 

 Dennant, F.G.S., F.C.S., and J. F. Mulder. 

 (Plates V. and VI.) ... ... 54, 



V. — Contributions to the Paleontology of the Older 

 Tertiary of Victoria. Gastropoda. Part I. By 

 G. B. Pritchard. (Plate VII. and VIII.) ... 96 



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