X. CONTENTS. 



PART IV. (No. 120). 



(Issued April mh, 1906.) 



PAGE 

 Further Notes on Hybridisation in the Genus Eucalpptus. By J. H. 



Maiden, Government Botanist, and Director of the Botanic 



Gardens, Sydney 492 



Miscellaneous Notes (chiefly taxonomic) on Eucalyptus, ii. By J. H. 



Maiden, Government Botanist, and Director of the Botanic 



Gardens, Sydney .. .. .. .. .. 502 



On an undescribed Species of Cryptocarya from Eastern Australia. 



By K. T. Baker, F.L.S., Curator, Technological Museum, Sydney. 



(Plate XXX.) 517 



Studies on Australian Mollusca. Part ix. By C. Hedley, F.L.S. 



(Plates xxxi.-xxxiii.) 520 



Descriptions of three New Species of Austrogomphus [Neuroptera : 



Odonata]. By R. J. Tillyard, B.A. (Plate xxxiv.) .. ..547 

 The Probable Identity of the Opsonins with the Normal Agglutinins. 



By R. Greig-Smith, D.Sc, Macleay Bacteriologist to the Society 555 

 A Pleomorphic Slime-Bacterium {Bacillus alatus, n.sp.). By R. Greig- 



Smith, D.Sc, Macleay Bacteriologist to the Society. (Plate xxxv.) 57q 

 Presidential Address delivered at the Thirty-first Annual General 



Meeting, March 28th, 1906, by Thomas Steel, F.C.S., F.L.S. 



(Plate xxxvi.) 605 



Balance Sheet, &c 636 



Elections and Announcements . . . . . . 492 



Notes and Exhibits 486, 574 



Donations and Exchanges . . 580 



Title-page . . , . i. 



List of Contributors and Titles of Papers .. .. iii. 



Contents . . vii. 



List of Plates xi. 



List of New Generic Terms proposed in this Volume . . . . . . xii. 



Corrigenda . . . . xii. 



Isdex. 



Supplement (issued separately)— Census Muscorum Australiensium. 

 A classified Catalogue of the Frondose Mosses of Australia and 

 Tasmania, collated from available Publications and Herbaria 

 Records, by the Rev. W. Walter Watts and Thomas Whitelegge, 

 F.R.M.S. Partii. 



