X. CONTENTS. 



PART IV. (continued). 



PAGE 



The Role of Nitrogen and its Compounds in Plant-Metabolism. Part i. 

 Historical. By J. M. Petrie, D.Sc, F.I.C., Linnean Macleay 

 Fellow of the Society in Bio-Chemistry. (From the Physiological 

 Laboratory of the University of Sydney) 801 



The Role of Nitrogen and its Compounds in Plant-Metabolism. Part ii. 

 The Non- Protein Nitrogen in Seeds. By J. M. Petrie, D.Sc, 

 F.I.C., Linnean Macleay Fellow of the Society in Bio-Chemistry. 

 (From the Physiological Laboratory of the University of Sydney) 835 



Contribution to a further Knowledge of Australian Oligochoeta. Part ii. 

 Description of an Australian Phreodrilid. By E. J. Goddard, 

 B.A., B.Sc. , Linnean Macleay Fellow of the Society in Zoology 

 (with five text-figures)... 845 



Contribution to our Knowledge of Australian Hirudinea. Part ii. By 

 E. J. Goddard, B.A., B.Sc, Linnean Macleay Fellow of the 

 Society in Zoology. (Plates xxxii.-xxxiii.) 854 



Illustrations of Polycotyledony in Persoonia; with some Reference to 

 Nuytsia [N.OO. Proteacece; Loranthacece], By J. J. Fletcher, 

 M. A., B.Sc. (Plates xxxiv. -xxxv.) 867 



Elections and Announcements ... 733,734,796,797 



Notes and Exhibits 735,797 



Donations and Exchanges 883 



Title Page 



List of Contributors and Titles of Papers iii. 



Contents vii. 



List of Plates 



List of new Generic and Subgeneric Names proposed in this Volume... xi 

 Corrigenda ... ... ... ... ... ... ... ... ... x i\ 



Index. 



xi 



