S PUBLISHED MONTHLY <3 
e and Industry 
(a/ ' ; AY 
ee, ( MEL BO LAGRHICIARJJOURNAL OF THE 
ute of Science and Industry. 
Vol. 2. AUGUST, 1920. No. 8. 
(anemia C) /\\ >? anneal 
=A A Te 
PAGE 
Leader 449 
Editorial Notes 452 
Destruction of Bird Life. _ Water Hyacinth in California. 
- Some Injurious Birds. Scientific Road-Making. r 
' =o Industrial Research in Great Britain.—It: 
Power-Alcohol in the United States of Alliance with Industry. . 
America, Industrial Research Fellowship. 
Scientific Research in New Zealand. - New Methods for Cheap Fuel. 
Nature versus The Australian. By Griffith Taylor, D.Sc., B.E., B.A., Associate ~ 
Professor of Geography, University of Sydney ath at ee ad 
Beneficial versus Injurious Insects. By Ewen Mackinnon, B.A., B.Se. Pits 
To Overcome Droughts: A Plea for Science 484 
492 
White Earthenware Investigations 
The Economic Value of Our Native Birds. 
? 
By 8. A. White, O.M.B.0.U. ... 494 
Tidal Power 501 
Scientific and Technical Societies 506 
Personal. Mr. C.S. Nathan 509 
. : 510 
Reviews 
° PER Within Commonwealth, 10s. per Ann., Post Free. 
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