CONTENTS OF VOLUME XXXII, Part I, 



Art. I. — The Origin of the Volcanic Tuff of Pejark Marsh, Victoria. 



By R. Hen'ry Walcott ... ... ... ... 1 



II. — New or Little-known Victorian Fossils in the National 

 Museum. (Part XXIV. — On a Fossil Tortoise in Iron- 

 stone from Carapook, near Casterton). By Fkkderick 

 Chapman, A. L.S. (Plate I.) ... ... ... 11 



111. — On the Essential Oil of Boronia pinuata, Sm., and the presence 



of Elemicin. By Henry G. Smith, F.C.S. ... ... 14 



IV. — On the "Clawing" Action of Rain in Sub-Arid Western 



Australia. By J. T. Jutson. (Plate II.) ... ... 20 



v.— A Striking Example of Rock Expansion by Temperature 

 Variation in Sub-Arid Western Australia. By J. T. 

 Jutson. (Plate II.) ... ... ... ... 22 



VI. — On an Ostracod and Shell Marl of Pleistocene Age from Boneo 

 Swamp, West of Cape Schanck, Victoria. By Frederick 

 Chapman, A.L.S., F.R.M.S. (Plates III. and IV.) ... 2i 



VII. — The Diabases and Associated Rocks of the Howqua River 

 near Mansfield, with reference to the Heathcotian 

 Problem in Victoria. By E. O. Teale, D.Sc, F.G.S. 

 (Plate v., 4 Text Figures and Map) ... ... 33 



