CONTENTS. 



Page. 

 Art. XII. — Continued ... ... 257 



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

 alis, Linn.). By E. 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 

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



Art. XV. — Cerussite Crystals from Broken Hill, N.S.Wales and 

 Muldiva, Queensland. By C. Anderson. m..a., dsc. [With 

 Plates LII—LIV and six text figures.'] 2S9 



Art. XVI. — Notes on Eucalyptus, (with descriptions of new 



species) No. IV. By J. H. Maiden, f.l. s. 309 



Art. XVII. — Geology of the Jenolan Caves District. By C. A, 



Sussmilch, f.g.s., and W. G. Stone. [With Plates LV, LVI] 332 



Art. XVIII. — Two Lord Howe Island Polypodia. By the Eev.W. 



Walter Watts 385 



Art. XIX. — Notes on the Native Flora of Tropical Queensland. 



By E. H. Cambage, f.l.s. [With Plates LVII—LXIand map.] 389 



Art. XX. — Some Geo-physical Observations at Burrinjuck. By 

 Leo A. Cotton, b.a., b.sc. [With Plate LXII and three text 

 figures], . . ... ... ... ... ... ... ... 448 



Art. XXI.— Notes on Acacia, (with description of new species), 



No. I. By J. H. Maiden, f.l.s ... 463 



Art. XXII. — Eucalyptus australiana sp. nov., (Narrow-leaved 

 Peppermint) and its essential oil. By E. T. Bakeb, f.l.s., 

 and H. G. Smith, f.c.s. ... ... ... ... 514 



