

CONTENTS. 



VOLUME XLIX. 



Page. 



Art. I. — Presidential Address. By Charles Hedley, f.l.s. 



[With Plates I - VII.'] 1 



Art. II. — A note on the occurrence of Urease in Legume Nodules 

 and other Plant Parts. By Maurice S. Benjamin, d.i.c. 

 (Communicated by Mr. F. B. Guthrie). ... ... ... 78 



Art. III. — Acacia Seedlings, Part I. By R. H. Cambage, f.l.s. 



[With Plates VIII - XII] 81 



Art. IV. — Some notes on Blechnum capense, (L.) Schlecht, with 



description of var. Gregsoni var. nov. By Rev. W. W. Watts 122 



Art. V.— The Mosses of the New Hebrides. By Dr. V. F. Bro- 



therus and Rev. W. Walter Watts 127 



Art. VI. — On the Essential Oil of Eucalyptus Smithii, from 

 various forms of growth. By H. G. Smith, f.c.s. [With 

 Plates XIII - XXIII. ,] 158 



Art. VII. — On the Composition of Human Milk in Australia, 



Part 1. By H. S. H. Wardlaw, b.Sc 169 



Art. VIII. — Notes on Australian Fungi, No. II., Phalloids and 

 Geasters. By J. B. Cleland, m.d., ch.M., and* E: Cheel. 

 [With Plates XXIV, XXV.] 199 



Art. IX. — Descriptions of New Australian Blood-Sucking Flies 

 belonging to the Family Leptidse. By Eustace W. Fer- 

 guson, m.b., Ch.jM. (Communicated by Dr. J. B. Cleland.) 

 [With Plate XXVI.] 233 



Art. X.— The age of the Southern Coal Field Tableland Basalts, 



By L. F. Harper, f.g.s 244 



Art. XI. — A Note on tbe Relation between the Thermal Conduc- 

 tivity and the Viscosity of Gases, with reference to 

 Molecular Complexity. By Professor J. A. Pollock, d.sc. 249 



Art. XII. — The Wave-length of the Electrical Vibration associ- 

 ated with a Thin Straight Terminated Conductor. By 

 Professor J. A. Pollock, d.sc. .. ... ... ... ... 253 



Art. XIII. — The Australian "Grey Mangrove" (Avicennia officin- 

 alis Linn.). By R. T. Baker, f.l.s. [With Plates XXVII- 

 XLVI] 257 



Art. XIV.— The Origin of the Heliman or Shield of the Coast 

 Aborigines, N.S.W. By Thomas Dick. (Communicated by 

 R. T. Baker, f.l.s. [With Plates XLVII- LI.] 282 



