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clence and Industry | 
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OFFICIAL JOURNAL OF THE 
Commonwealth Institute of Science and Industry. 
Wal MAY, 1920. dgimeNot 
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PAGE 
Leader we Mr uf te fi ee - EADS 
Editorial 3 Ta he a ne ae rh Ba 
Importation of Ex-enemy Publications. | Japan’s Chemical Industry. 
Artificial Coal. ‘ Japanese Iron Industry. 
Research Work in Mining Industry. Aeroplanes Assist Forest: Development. 
U.S.A. National Research Council. . | : 
Work and Present Position of the Temporary Institute... ie mee OD 
Xanthorrhea. By Ewen Mackinnon, B.A., B.Se. ee vy yet Size) 
The Rat Problem. By Thomas Parker, F.R.C.V.S. “4 ee 288 
Possibilities of Aerial Henao eite SEW for BOs GLE ne Owen 
Jones : erat) 
An Australian Forest Products Laboratory. By I. H. Boas, M.Se. 302 
The Chalcid Bacutis oe hepa ace in eNO, By T. Harvey Johnston, 
M.A., We ee mse O08 
The Shark for Food and ae By Allen Rodgers 313 
The Cattle Worm-Nodule Parasite. By Professor T. Harvey Johnston and 
M. J. Bancroft, Walter and Eliza’ Hall Fellow in Economic Biology, 
University, Brisbane ; a He SS 
Personal. Professor Douglas Stewart 317 
319 
Reviews 
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a mm ae 
4 PER Within Commonwealth, 10s, per Ann., Post Free, 
Price Is. COPY. Outside Commonwealth, lis. 6d. per Ann., Post Free. 
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