PROCEEDINGS, 1900, PART 8. 



CONTENTS. 



PAGE 



Notes on some New Zealand and Australian Parasitic Hymenoptera, 

 with Descriptions of new Genera and new Species. By William 

 H. Ashmeap, Assistant Curator, Division of Insects, U.S. National 

 Museum. (Communicated by'W. W.Froggatl, F.L.S.) .. ... 327 



On the Carenides (Fam. Carqbidee) No. iv. By Thomas G. Sloane... 361 



Descriptions of two new Species of Diptera from Western Australia. 



By D. W. Coquillett. f Communicated by Arthur 31. Lea) 389 



Description of two new blind Weevils from Western Australia and 

 Tasmania. By Arthur M. Lea, F.E.S 



The Double Staining of Spores and Bacilli. By R. Greig Smith, M. Sc. , 



Macleay Bacteriologist to the Society 394 



Descriptions of new Australian Lepidoptera. By Oswald B. Lower, 



F.E.S., Lond 403 



On Didijmorchix, a Rhabdocoele Turbellarian inhabiting the Branchial 

 Cavities of New Zealand Crayfishes. By Professor William A. 

 Haswell, M.A.. D.Sc, F.R.S. (Plates xx.-xxi.) 424 



Supplement to a " Monograph of the Temnocephalea." By Professor 



William A. Haswell, M.A., D.Sc, F.R.S. (Plate xxii.) 430 



Contribution to the Bacterial Flora of the Sydney Water Supply, i. 



By R. Greig Smith, M.Sc, Macleay Bacteriologist to the Society 436 



Observations on the Tertiary Flora of Australia, with special reference 

 to Ettingshausen's Theory of the Tertiary Cosmopolitan Flora. 

 By Henry Deane, M. A., F.L.S.,- etc 463 



Descriptions of some new Araneiche of New South Wales. No. 9. By 

 W. J. Rainbow, F.L.S., Entomologist to the Australian Museum. 

 (Plates xxiii. -xxiv. ) ... 483 



Studies on Australian Mollusca. Part ii. (continued from p. 100). By 



C. Hedley, F.L.S. (Plates xxv.- xxvi.) 495 



Two new Species of Phytophagous Hymenoptera belonging to the 

 Families Orysdda: and Tenth redinid/v, with Notes on other Saw- 

 flies. By Gilbert Turner 514 



Contributions to the Morphology and Development of the Female 

 Urogenital Organs in the Marsupiaiia. Nos. ii.-v. By Jas. P. 

 Hill, B.Sc. (Edin.), F.L.S., Demonstrator of Biology in the 

 University of Sydney ; George Heriot Research Fellow, Edinburgh 

 University. (Plates xxvii.-xxix.) .. 519 



The Measurement of Bacteria. By R. Greig Smith, M.Sc, Macleay 



Bacteriologist to the Society 533 



Elections and Announcements 323,399 



Donations 323,399,477 



Notes and Exhibits 321,398,476 



