THE NEW ZEALAND 
JOURNAL OF SCIENCE 
AND 
TECHNOLOGY. 
CONTENTS. 
ARTICLES:— - 
J. C. ANDERSEN. Maori String-games (Second Series), with Illustrations 
by J. McDonald .. 
A. M. WRIGHT. Chemical Technology of the Frozen = meat Industry 
(Part III) 
A. D. MEAD. The Use of Impounding-dams for Multiple Functions 
L. BIRKS and D. C. BATES. Annual Rainfall Fluctuations 
L. BIRKS. Electric Power for Milking-plants : Addendum 
L. BIRKS. Electric-power Load-curves 
A. GIBBS. Effects of the Recent Aurora on Telegraph-lines, Telephone¬ 
lines, and Wireless Stations .. .. .. .. 
E. MARSDEN. Some Tropical Heat-insulators .. .. .. 
Pag* 
145 
ASTRONOMICAL NOTES:— 
C. E. ADAMS. Ephemeris of a Comet 
191 
DEPARTMENTAL REPORTS:— 
H. F. SKEY. Some Results from the Preliminary Discussion of the Annual . 
Variation of Horizontal Magnetic Force at Christchurch ,. .. 195 
H. F. SKEY. The Recent Magnetic Storm, 14th to 17th May, 1921 .. 197 
G. ANGENHEISTER and C. J. WESTLAND. The Magnetic Storm of 
May 13-14, 1921 ! Observations at the Samoa Observatory .. .. 201 
NATURALSISTORY NOTES:— - 
On the Larval Habits of the Ant-lion ( Myrmeleon acutus Walker). Island 
Bay, Wellington, a Collecting-ground for Marine Algal Vegetation. 
Some North Auckland Mollusca .. .. .. .. .. 203 
UNIVERSITY AND SCIENTIFIC NEWS :— 
University of New Zealand. Presentation of Hector and Mueller Medals. 
Fellows of the New Zealand Institute .. .. .. .. 205 
CORRESPONDENCE :— 
Origin of the Upper Waitaki Depression. Technology of the Frozen-meat 
Industry .. .. .. .. .. .. .. 207 
NOTICES. 
SUBSCRIPTIONS.—The Journal will be issued six times a year. Subscription, payable 
in advance and including postage, 6s. per annum ; single copy, Is. 6d. Subscriptions 
should be forwarded by money-order to the Director, Dominion Museum, Wellington. 
Subscribers are requested to furnish their full names and addresses. 
CORRESPONDENCE.—All communications relative to the Journal should be addressed 
to the Editor, Dominion Museum, Wellington. 
