THE NEW ZEALAND 
JOURNAL OF SCIENCE 
AND 
TECHNOLOGY. 
CONTENTS. 
ARTICLES Pag e 
J. A. THOMSON. Maori Rock-quarries on D’Urville Island .. 321 
E. PARRY. The Electrification of Railways in New Zealand 323 
A. PHILPOTT. Notes on certain Introduced Birds in Southland .. .. 328 
J. N. WALLACE. Automatic Telephone Systems.. .. .. ..331 
G. L. D. JAMES. The Efficiency of the Frozen-meat Industry .'. ..341 
B. C. ASTON. The Genus Coprosma as a Source of Dyes ( concluded j .. 348 
ASTRONOMICAL NOTES:— 
Nova Aquilae No. 3 .. .. .. • • • • •. 352 
DEPARTMENTAL REPORT:— 
P. G. MORGAN. Magnesite and Dolomite in Australia and New Zealand .. 359 
UNIVERSITY AND SCIENTIFIC NEWS :— 
University of New Zealand. Philosophical Institute of Canterbury. Wellington 
Philosophical Society. Manawatu Philosophical Society. New Zealand 
Institute Science Congress. Index of Maori Names .. .. .. 373 
REVIEWS AND ABSTRACTS :— 
The Food of Australian Birds: an Investigation into the Character of the 
Stomach and Crop Contents. Geology in the University and in the Service 
of the State. The Larderello Natural Steam-power Plant. Feasibility of 
Manufacturing Paper from Pulp from Tasmanian Timbers. The Alunite" 
Deposits of Australia and their Utilization. The Control of Settlement by 
Humidity and Temperature. The Factors influencing Gold-deposition in 
the Bendigo Goldfield .. .. .. .. .. .. 375 
CORRESPONDENCE :— 
Manufacture of Chemicals and Drugs .. .. .. .. ... 384 
INDEX TO VOLUME I .385 
NOTICES* 
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should be forwarded by money-order to the Director, Dominion Museum, Wellington. 
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CORRESPONDENCE. — All communications relative to the Journal should be 
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