^ PROCEEDINGS, 191 1, FART i. 



CONTENTS. 



PAGE 

 Presidential Address delivered at the Thirty-sixth Annual General 

 Meeting, March 29th, 1911, including "A Study of Marginal 



Drainage" (P- 13), by C. Hedley, F.L.S. (Plate ii.) 1 



A new Smnt [Ustilago eiva7-ti] in a new CJenus of Grass. By D. 



McAlpine, Corresponding Member. (Plate i.) ... .. 45 



The Entozoa of Monotreniata and Australian Marsupialia. No. ii. 



P.y T. Harvey Johnston, M. A., D. So. (Plate iii.) 47 



New Species of Avian Cestodes. By T. Harvey Johnston, M.A., 



D.Sc. (Plates iv.-vi.) 58 



Studies in the Life-Histories of Australian Odonata. No. 4. Further 

 Notes on the Life-History of Pttahira gigantea Leach. By R. J. 

 TxLLYARD, M.A., F.E.S. (Plate vii.) 86 



The Role of Nitrogen in Plant-Metabolism. Part iii. The Distribu- 

 tion of Nitrogen in Acacia Seeds. By James M. Petri e, D.Sc, 

 F.I.C., Linnean Macleay Fellow of the Society in Bio-Chemistry 97 



The Role of Nitrogen in Plant-Metabolism. Part iv. The Nitrogen 

 of Ripening Seeds. By James M. Petrie, D.Sc, F.LC, Lin- 

 nean Macleay Fellow of the Society in Bio Chemistry ... ... 127 



The Role of Nitrogen in Plant- Metabolism. Part v. The Occurrence 

 of Potassium Nitrate in Plants. By James M. Petrie, D.Sc, 

 F.I.C, Linnean Macleay Fellow of the Society in Bio-Chemistry 135 



The Amycterid(ii of the "Voyage de I'Astrolabe, 1835." By Eustace 



VV. Ferguson, M.B., Ch.M 141 



Description of a new Lac-Coccid (Geniis Tachardia) from New South 

 Wales. By Walter W. Froggatt, F.L.S., Government Ento- 

 mologist ... ... ... ... ... ... ... ... ... 154 



The Bees of the Solomon Islands. By Professor T. D. A. Cockerell. 



{Communicated by W. W. Fronyatt, F.L.S.) 160 



Revision of PieroAe^ctMS (continued) and of Saragu-i; with Descriptions 

 of new Species of Australian Tenebrionidce. By H. J. Carter, 

 B.A., F.E.S. (Plate viii.) 179, 192 



Hon. Treasurer's Financial Statement, Balance Sheet, &c 39 



Elections and Announcements ... 44,81,155 



Notes and Exhibits 44,82,156 



