Registered at G.P.O., Wellington, as a gazine 
THE NEW ZEALAND BOARD OF SCIENCE AND ART. 
THE 
NEW ZEALAND 
JOURNAL OF SCIENCE 
AND 
TECHNOLOGY 
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Edited by 
Dr. J. ALLAN THOMSON ; - 
Assisted by 
Dr. C. A. COTTON, Messrs, S. H. JENKINSON and E-TAN PARRY, 
Wellington, 
Professor A. P. W. THOMAS, Auckland, 
Professor C. CHILTON, Christchurch, 
and 
Professor W. B. BENHAM, Dunedin. 
Issued under the authority of the Hon, G, W. RUSSELL, 
Minister of Internal Affairs, 
VOL. I.— No. 2. 
March, 1918. 
WELLINGTON, N.Z. : 
By Authority: Marcus F. Marks, Government Printer. 
1 © ' ' , 
1918. 
Wv; 
annual Subscription, 6s. ; Single Copy, Is. 6d. 
CONTENTS ON PAGE 4 OF COVER. 
