CONTENTS. 



VOLUME XXXIII. 



Page. 



Officers for 1899-1900 (vii.) 



List of Members, &c. ... (xi.) 



Ast. I. — President's Address. By G. H. Knibbs, f.r.a.s. ... 1 



Art. II. — Key to Tribes and Genera of the Floridese (Eed or 

 Purple Marine Algae). By Richard A. Bastow. (Com- 

 municated by J. H. Maiden, f.l.s.) (Plates i., ii.) 45 



Art. III. — On the metamorphosis of the young form of Filaria 

 Bancrofti, Cobb, [Filaria sanguinis hominis, Lewis ; Filaria 

 nocturna, Manson] in the body of Culex ciliaris, Linn., the 

 "House mosquito of Australia " By T. L. Bancroft, m.b. 48 



Art. IV. — Suggestions for depicting diagrammatically the char- 

 acter of Seasons as regards Rainfall, and especially that of 

 Droughts. By H. Deane, m.a., M.inst.c.E., &c. (Plate iii.) 63 



Art. V. — Observations on the determination of Drought-intensity. 

 By G. H. Knibbs, f.r.a.s., Lecturer in Surveying, University 

 of Sydney 69 



Art. VI. — On the crystalline camphor of Eucalyptus Oil (Eudes- 

 mol), and the natural formation of Eucalyptol. By Henry 

 G. Smith, f.c.s., Technological Museum, Sydney ... ... 86 



Art. VII.— Divisions of some Aboriginal Tribes, Queensland. By 



R. H. Mathews, l s.) 108 



Art. VIII. — The Initiation Ceremonies of the Aborigines of 

 Port Stephens, N. S. Wales. By W. J. Enright, b.a. 

 (Com-municated by R. H. Mathews, l.s 115 



Art. IX. — Sailing Birds are dependent on Wave-power. By 



L. Hargrave ... ... ... ... ... 125 



Art. X. — Some applications and developments of the Prismoidal 

 Formula. By G. H. Knibbs, f.r.a.s., Lecturer in Surveying, 

 University of Sydney ... ... ... ... ... ... 129 



Art. XI. — Current Papers, No. 4. By H. C. Russell, b.a., c.m.g., 



f.r.s. (Plates v., vi.) ... 145 



Art. XII. — Discovery of Glaciated Boulders at base of Permo- 

 Carboniferous System, Lochinvar, New South Wales. By 

 Professor T. W. E. David, b.a., f.g.s. (Plate iv.) 154 



Art. XIII. — On New South Wales Copper Ores Containing Iodine. 

 By Arthur Dieseldorff, m.e., Freiberg, Baden, Germany. 

 (Communicated by A. J. Bensusan, Assoc. R.S.M.. F.c.S.) ... 160 



