CONTENTS OF PROCEEDINGS, 1911. 



PART I. (No. 141). 

 (/.ssfted August ink, 1911). 



PAGE 



Presidential Address delivered at the Thirty-sixth Annual General 

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

 Drainage" (p. 13), by C. Hedlky, F.L.S. (Plate ii.) 1-39 



A new Smut [?7.s<^7agfo ewa?-<i] in a new Genus of Grass. By 1). 



McAlpi.ne, Correspondini; Member. (Plate i.) ... .. 45-46 



The Entozoa of Mouotremataand Australian Marsupialia. No. ii. 



By T. Hakvey Johnston, M. A., D. So. (Plate iii.) ... 47-57 



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



D.Sc. (Plates iv.-vi.) 58-80 



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

 Notes on the Life-Historj' of Petalura gigantea Leach. By 

 R. J. TiLLYARD, M.A., F.E.S. (Plate vii.) 86-96 



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

 tribution of Nitrogen in Acacia Seeds. By James M. Petrie, 

 D.Sc, F.I.C., Liunean Macleay Fellow of the Society in Bio- 

 Chemistry 97-126 



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

 of Ripening Seeds. By James M. Petrie, D.Sc, F.l.C, 

 Linnean Macleay Fellow of the Society in Bio Chemistry ... 127-134 



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

 rence of Potassium Nitrate in Plants. By James M. Petrie, 

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

 Chemistry 135-140 



The A77iycteridiK of the "Voyage de I'AstroIabe, 1835." By 



Eustace W. Ferguson, M.B., Ch.M 141-153 



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

 South Wales. By Walter W. Froggatt, F.L.S. , Govern- 

 ment Entomologist ... ... ... ... ... ... ... 154 



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



CocKERELL. (Commujiicated by W . W. Froggatt, F. L.S.) ... 160-178 



Revision of Pterohdceus (continued) and of SaraguH; with Descrip- 

 tions of new Species of Australian Tenebrioiiidoe. 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 



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