=S PUBLISHED MONTHLY <= 
Science and Industry 
OFFICIAL JOURNAL OF THE 
Commonwealth Institute of Science and Industry. 
Vol. 2. ' NOVEMBER, 1920. No. 1] 
bam [mT 
LS a eR a a LN oe RE a 
Ure ite, 
PAGE 
Leader en bo he it ns are Me ney Ae 
Editorial Notes in re ‘ is ve Ree He Gt} 
Bauxite Deposits in Australia. Improved Mine-rescue Methods and Appae 
Industrial Oxygen Research in United States ratus. 
Peeies Industrial Fati 
Bahia Grass. oaas 
How Tuberculosis spreads among Cattle and _ Sandalwood Oil, 
‘ " IBS. | i Forestry Education. 
ndian Mango. ¢ 7 1 
Rice Exports to Japan show Increase for MOLLES SLAC TE Ce Kesea hes egr cits 
First Quarter. Insect Pests. 
The Relation of AnD is the Dissemination of wie By Ewen 
Mackinnon, B.A.,. + eK, i 4% alee ila 
The Leather Industry. By John Arthur Wilson 2 inten te nibs BOOS 
The Migration and Dispersal of Weeds. By Ellinor Archer, M.Sc. 3%: 668 
Helium. By Professor J. C. McLennan f 676 
Prickly Pear in U.S.A. Report by Professor R. 1). Watt ie : 679 
The Roma Bore: Notes on the Recent Flow of Seb By We E. Cameron, B. Ay sds 
Deputy Chiet Geologist, Queensland 
Wood Distillation. By A. J. Hall, B.Sc. 4, at 1; os 686 
National Institute of Agricultural Botany. By E. A. ... a uu 691 
Steel Cylinders for Compressed Gas Containers. By G. L. 693 
Scientific and Technical Societies 695, 
Correspondence 701 
Reviews 702 
Sr Er = aE TE a 
Within Commonwealth, 10s. per Ann., Post Free. 
Price Ls. coi COPY. Outside Commonwealth, 11s. Gd. per Ann., Post Free. 
6.19077,- 1 
