

LIST OF CONTRIBUTORS AND TITLES OF PAPERS. V. 



Lucas, Arthur H. S., M.A , B.Sc. — page 



Presidential Address delivered at the Thirty-third 



Annual General Meeting, March 25th, 1908 ... 1 



Maiden, Joseph Henry, F.L.S., &c, and Ernst Betche — 



Notes from the Botanic Gardens, Sydney. No. 13 ... 304 



Petrie, James Matthew, D.Sc, F.IC., Linnean Macleay 

 Fellow of the Society in Bio-Chemistry — 



The Role of Nitrogen and its Compounds in Plant- 

 Metabolism. Parti. Historical .., ... 801 



The Role of Nitrogen and its Compounds in Plant- 

 Metabolism. Part ii. The Non-Protein Nitrogen 

 in Seeds .. ... ... ... ... ... 835 



Playfair, George Israel — 



Some Sydney Desmids. (Plates xi.-xiii.) ... ... 603 



Smith, R. Greig-, D.Sc, Macleay Bacteriologist to the 

 Society — 

 Opsonisation from a Bacterial Point of View, and 



Opsonic Technique... ... ... ... ... 669 



Stephens, Thomas, M.A., F.G.S. — 



Notes on the Geology of the North- West Coast of 

 Tasmania from the River Tamar to Circular 

 Head. (Plates xxiv.-xxviii.) ... ... ... 752 



Tillyard, R. J., M.A., F.E.S.— 



On the new Genus Austrogyyiaccnitha [Neuroptera : 



Odonata] with Description of Species. (Plate v.) 423 



On the Genus Nannodythemis [Neuroptera: Odonata]. 



with Descriptions of' new Species. (Plate vi.) ... 444 



On some remarkable Australian Libellulince [Neurop- 

 tera : Odonata]. Part ii. Descriptions of new 

 Species. (Plate xiv.) ... ... ... ... 637 



On some remarkable Australian Corduliince [Neurop- 

 tera: Odonata], with Descriptions of new Species. 

 (Plates xxi.-xxii.) 737 



