CONTENTS. 



PAGE 



THE CLIMATES OF THE GEOLOGICAL PAST.— 



H. J. Jensen, D.Sc, September 25th, 1909 59 



NOTE ON ESTIMATION OF ZINC IN COPPER ORES 

 BY MEANS OF POTASSIUM FERROCi^ANIDE. 

 Fra7ik K. Connah, September 25th, 1909 65 



THE ORIGIN AND OCCURRENCES OF PHOSPHATE 

 ROCK AND THE POSSIBILITY OF FINDING 

 PHOSPHATE DEPOSITS IN AUSTRALIA.—//. 

 J. Jensen, D.Sc, October 30th, 1909 69 



INTRODUCTION OF ECONOMIC PLANTS INTO 



QUEENSLAND.—./. F. Bailei,, February 26th, 1910 77 



