PROCEEDINGS, 1916, PART 1. 



CONTENTS. 



PAGES 



Presidential Adiliess delivered at the Forfey^flrstAninial Meeting. 



March 21)th, 19_1«. 1).v Aj.ex. (i^. Hamilton l-3o 



Studies in Australian XiMvopttra. N(j. ii. Descriptions of new 

 Geneici and .Species "of the Families Osmylidoi, .Myt'^mdeon- 

 tkhi , and Af<calaphtdit.. By R. J. Tillvard," M. A. pB- ^c. . 

 F.L.S., F. E.S., Linaean Macleay Fellow of the Society in 

 Zoology. (Plates i.-vi., and three Text-figures) ... ... 41-70 



A Revision of the IStratiomyidit [Diptkka] of Australia. By 



Artjuk White 71-1(10 



Oocydi-s and Ertmo-spfucfd [Alg.-3';]. By (i. I. Playfaik, Science 

 Research Scholar of the University of Sydnej'. (Plates vii.- 

 ix., and twenty-eight Text-figures) ... ... ... ... 107-147 



The Chemical Investigation of S(jme Poisonous Plants in the N.O. 

 So/nnact"'. Part ii. NluofiaiKi xiatreo/en-s; and the Identifica- 

 tion of its Alkaloid. By J.vaies M. Petkie, D.Sc, F.I.C. 

 Linnean Macleay Fellow of the Societ.y in Biochemistry ... 148-151 



The Instability of Leaf- Morphology in its relation to Taxonomic 



Botany. By A. A. Hamil,tox ' 102-119 



OrT Brachydiiton popidmo-acp:ijhliU'< F.v.M. : the Crimson-flower- 

 ed Kunajong. By J. H. Maiden, F.R.S., F.L.S. .^, ... 180-184 



On a Kucalypt llyhrid (E. ra/ophyl}axK ficifolin). By J. H. 



M.MDEN, F.R.S., F.L.S 185-189 



Hon. Treasurer's Financial Statement,' Balance Sheet, etc. ... 34-o9 



Elections and Aiaiouncements . . .. ... ... .. 101. 19(t 



Notes and Exhibits 101-106,190-192 



