CONTENTS. Ill . 



PART II. (No. 174). 

 (Issued 2nd October, 1919). 



PAGES 



Pseudobonellia, a new Echiuroid genus from the Great 

 Barrier Reef. By Professor T. Harvey John- 

 ston, M.A., D.Sc., C.M.Z.S., and 0. W. Tieg.s, 

 B.Sc (Plates ix.-xi.) 213-230 



A Fossil Insect- Wing belonging to the new Order Para- 

 mecoptera, ancestral to the Trichoptera and Lepi- 

 doptera, from the Upper Coal Measures of New- 

 castle, N.S.W. By R.J. Tillyard, M.A., D.Sc, 

 F.L.S., F.E.S., Linnean Macleay Fellow of the 

 Society in Zoology. (Plates xii.-xiii., and eight 

 Text-figures) 231-250 



Revision of Australian Lepidoptera, vi. (Third in- 

 stalment ) . By A . Jefferis Turner, M . U . , 

 F.E.S 258-310 



The Germicidal Activity of the Eucalyptus Oils. ii. 

 The Action of the Oils in Aqueous Dilutions. By 

 R. Greig-Smith, D.Sc, Macleay Bacteriologist to 

 the Society . ( Seven Text-figs . ) 311-347 



On Water from the roots of the Red Mallee (Eucalyp- 

 tus oleosa) . By T. Steel, F.L.S 348-352 



The identity of Poly podium spinulosum Burm. f . By 

 E. D. Merrill, M.S. (Communicated by J. II. 

 Maiden, I. S.O., F.R.S.) 353-354 



Mesozoic Insects of Queensland. No. 0. Blattoidea. 

 By R. J. Tillyard, M.A., D.Sc, F.L.S., F.E.S., 

 Linnean Macleay Fellow of the Society in Zoology. 

 (Twelve Text-figs.) 358-382 



Revision of Australian Lepidoptera, vi. (Last instal- 

 ment ) . By A . Jefferis Turn er, M . D., F.E.S. 383-413 



Studies in Australian Neuroptera. No. 8. Revision 

 of the Family Ithonidae, with Description of a 

 new Genus and two new Species. By R. J. 

 Tillyard, M.A., D.Sc, F.L.S., F.E.S., ' Linnean 

 .Macleay Fellow of the Society in Zoology. (Six 

 Text-figs.) 414-437 



A new Species of Wax Scale (Cemplastcs murrayi) 

 from New Guinea. By W. W. Froggatt, 

 F.L.S. (Plate siv.) 439-440 



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