CONTENTS OF VOLUME XII -Pt. I. 



PAGE 



Art. I. — Further Descriptions of the Tertiary Polyzoa of 

 Victoria. — Part II. By C. M. MAPiiESTONE. 

 (Plates I. and II.) ... ... ... .. 1 



II. — The Spectra of Oxygen, Sulphur and Selenium, and 



their Atomic Weights. By L. Eummel .. l-t 



III.— A New Rotifer, Lacinularia striolata, with Note on 

 L. pedunculata. By J. Shephard. (With Plates 

 III., IV., V.) ... * 20 



IV. — The Tertiary Deposits of the Aire and Cape Otway. 

 By T. S. Hall, M.A., and G. B. Pritchard. 

 (With Plate VI.) ... ... ... ... 36 



V. — Notes on Malurus gouldii and Malurus cyaneus, with 

 special reference to changes in plitmage. By 

 Egbert Hall. ... ... ... ... 59 



VI. — The Bone Clay and Associated Basalts at the Great 



Buninyong Estate Mine. By T. S. Hart, M.A. ... 74 



VII. — Eemarks on a Fossil Implement and Bones of an 

 Extinct Kangaroo. By C. W. De Vis, M.A. 

 (With Plate VII.) ... ... ... ... 81 



VIII. — On the Occun-ence of Trachyte in Victoria. By 



Evelyn G. Hogg, M.A. ... .. ... 87 



IX. — On Some New Species of Victorian Mollusca. By 

 G. B. Pritchard and J. H. Gatliff. (With 

 Plate VIII.) ... ... ... ... ... 100 



X. — On Some Eemains of Marsupials from Lake Colongulac, 

 Victoria; by C. W. De Vis, M.A. With 

 Introductory Eemarks on the Locality ; by T. S. 

 Hall, M.A. ... ... ... ... ... 107 



XI. — On the Occurrence of Diprotodon australis (Owen) 

 near Melbourne. By G. B. Pritchard. (With 

 Plate IX.) ... ... ... ... ... 112 



