CONTENTS. 
Volume XXX. 
Annual Report 
Treasurer ? s Report 
Proceedings — Abstract of 
Index to Authors 
Page. 
iii. 
iv., v. 
vi. ; vii. 
General Index 
1. The Deterioration of Jute Materials in contact with Superphosphate 
and Mixtures containing Superphosphate. By L. J. H. Teakle and 
2. A Revision of the Western Australian species of Triodia R. Br. By 
3. New Crustacea from the Swan River. By J. M. Thomson . . . . 35 
4. The Fauna of the Algal Zone of the Swan River Estuary. A pre- 
liminary survey of Freshwater Bay with notes on the Chief 
Species. Bv J. M. Thomson . . 55 
5. Investigation of some Phosphatic Noclules from Dandaragan, 
Western Australia. By Keith R. Miles . . . . . . . . 75 
Presidential Address — The Chemistry and the Chemical Exploitation of 
Western Australian Plants. By E. M. Watson 83 
H. E. Hill . . 
1 
Nancy T. Burbidge 
15 
