CONTENTS. V. 



Pages. 



Two New Hymenoptera of the Superfamily Proctotrypidae from Aus- 

 tralia. By Alan P. Dodd. (Commmiicated by W. W. Froggatt, 

 F.L.S.) 443-446 



Cyanogenesis iu Plants. Part iv. The Hydrocyanic Acid of Hetero- 

 dendron — A Fodder Plant of New South Wales. By James M. 

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

 Biochemistry 447-459 



Notes on Australian Tabanidae. By Eustace W. Ferguson, M.B., Ch.M., 



and Gerald F. Hill, F.E.S. " 460-467 



Descriptions of New Forms of Butterflies from the South Pacific. By 



G. A. Waterhouse, B.Sc, B.E., F.E.S 468-471 



Elections and Announcements 318, 404, 472 



Notes and Exhibits 318-9, 404, 472 



PART IV. (No. 180). 

 {Issued 7th March, 1921.) 

 Revision of Australian Lepidoptera — Liparidae. By A. Jefferis 



Turner, M.D., F.E.S ". 474-499 



A new Avian Trematode. By Eleanor E. Chase, B.Sc, Demonstrator 

 in Zoology, University of Sydney. {Communicated by Professor 

 S. J. Johnston, B.A., D.Sc.) (Plate xxvi., and one Text-figure.) .. 500-504 

 Studies in Life-histories of Australian Diptera Brachycera. Part i. 

 Stratiomyiidae. No. 1. Metoponia rubriceps Macquart. By 

 Vera Irwin-Smith, B.Sc, F.L.S., Linnean Macleay Fellow of the 

 Society in Zoology. (Plates xxvii.-xxviii., and Twenty-three Text- 

 figures.) '. 505-530 



A Revision of the Chiromyzini (Diptera). By G. H. Hardy. (Plates 



xxix . -XXX . ) 532-542 



Some new Brachiopods from the Middle Palaeozoic Rocks of New South 

 Wales. By John Mitchell, late Principal of the Technical College 



and School of Mines, Newcastle. (Plate xxxi.) 543-551 



Nematode Parasites of the Domestic Pigeon {Cohimba livia domestica) 



in Australia. By Vera Irwin-Smith, B.Sc, F.L.S., Linnean 



Macleay Fellow of the Society in Zoology. (Nineteen Text-flgaires. ) 552-563 



A Few Notes on the Botany of Lord Howe Island. (Sixth Paper. ) By 



J. H. Maiden, I.S.O., F.R.S., F.L.S., Government Botanist and 



Director of the Botanic Gardens, Sydney 564-566 



The Society's Heritage from the Macleays. Address by the President, 

 J. J. Fletcher, M.A., B.Sc, at the Special General Meeting, 14th 



June, 1920 .. .. 567-635 



Donations and Exclianges 636-648 



List of Members, 1920 649-653 



Notes and Exhibits 473, 531 



Elections and Announcements 53I 



Title-page j 



Contents ;;; 



Corrigenda Yi_ 



List of New Tribal and Generic Names vi. 



List of Plates vii. 



Index i.-xri. 



