2516
THE NEW ZEALAND GAZETTE
No. 77

EGMONT NATIONAL PARK
National Park Handbook
85 p. Illustrated, with maps. 1976, 3rd edition.
$2
This handbook seeks to heighten the enjoyment of visitors to the park by providing a greater knowledge and appreciation of the wealth of natural resources, scenic grandeur, and distinctive vegetation, found in this park.
New chapters include mountaineering, ski-ing, high climbing, ornithology, climatology and Maori history.

ELECTRICAL THEORY AND PRACTICE
NEW ZEALAND TECHNICAL CORRESPONDENCE INSTITUTE 1977.
260 p. Over 350 illustrations.
$14
Another first-class text produced by the Technical Correspondence Institute. This textbook covers trade science, materials, appliances, instruments, installation methods, and electrical wiring regulations which are concisely treated in a clear and simple manner.
Essential for students and will be popular with others working in the electrical trade or concerned with the technical education of electrical tradesmen.

ENGINEERING PUBLICATIONS
Now available through Government bookshops are the following engineering publications that will be of interest to all civil engineers and those associated with engineering. These publications, prepared by the Civil Engineering Division of the Ministry of Works and Development, supply such information as: stress, load bearing, design, and examples of the various equations.

ENERGY AND THE ENVIRONMENT
Edited by D. M. Adcock
156 p. 1974.
$4.50
This book is intended as a valuable summary of energy technology and its associated problems. The authors discuss different aspects of the economic, social and environmental consequences of unrestrained growth in electricity and total energy consumption. Power construction schemes are likely to have considerable environmental impact at a time of increasing awareness of the need for environmental conservation. Series No. 19. (N.Z. Institute of Public Administration.)

ASSESSMENT OF POSTING WEIGHT LIMITS FOR HIGHWAY BRIDGES
(CDP 704/B) November 1974
13 p.
$1.60

BRIDGE CLASSIFICATION AND DECK GRADING FOR OVERWEIGHT PERMITS
Issue (A) June 1973
40 p.
$2.50

DESIGN TABLES
(CDP 802/B) October 1974
8 p.
$1.40

DUCTILITY OF BRIDGES WITH REINFORCED CONCRETE PIERS
(CDP 810/A) April 1975
109 p.
$7

RETAINING WALL DESIGN NOTES
(CDP 702/C) 1973
88 p.
$4.75

EUTROPHICATION OF LAKE ROTORUA
By E. White, D.S.I.R. Information Series No. 123, 1977
16 p.
80c
Discusses the effects of different types of land and water use on the lake, and past and current research associated with the lake. Recommends methods of restoration and necessary future research. This bulletin from the Freshwater Section of the Ecology Section of the D.S.I.R. provides an overall picture of eutrophication in Lake Rotorua.

EVALUATION OF THE NEW ZEALAND COMPULSORY SEAT BELT LEGISLATION
TRANSPORT REPORT No. 17
1976.
$1
This is one in a series of reports which present the results of investigations conducted by, or for, the Ministry of Transport.
The reports are intended to provide information of interest both to others carrying out similar research and to those whose interest is the practical application of research findings. (Ministry of Transport.)

EX-NUPTIAL CHILDREN AND THEIR PARENTS
RESEARCH MONOGRAPH No. 2
473 p. 1976.
$9.25
This report was intended to provide basic data which up till now has been lacking. The survey gives fundamental demographic information on the characteristics of illegitimate children and their parents and examines in detail the placement of illegitimate children in New Zealand. The publication also aims to place information about the incidence of illegitimacy in New Zealand within an international context. Of particular interest to sociologists, economists, researchers and social workers. (Social Welfare Department.)
The first monograph of this series, entitled Child Abuse in New Zealand is also available from the Government Printer.
Price $4.50

EXTERNAL TRADE EXPORTS—COMMODITY BY COUNTRY 1974-75
DEPARTMENT OF STATISTICS
370 p. 1978.
$5.50
This volume contains the final import statistics for the full trade year, i.e., 12 months July 1974-June 1975.
Details given in this volume show first the various countries of origin for each item of import trade, and secondly the analysis shows the commodities that particular countries have supplied.

EXTERNAL TRADE REPORT AND ANALYSIS 1974 AND 1975
DEPARTMENT OF STATISTICS
64 p. 1978.
$2
This volume contains basically, analysis of the overseas trade of New Zealand. The tables in this report are presented so as to reflect the changing patterns and levels of exports and imports and as such will be of special interest to official advisors, policy makers, industry, and the public alike.

FACSIMILES OF THE TREATY OF WAITANGI
1976.
$12.95
A valuable volume of old New Zealand records comprising: The Declaration of the Independence of New Zealand.
The original draft of the Treaty by Governor Hobson.
A series of copies of the Treaty itself as finally adopted and signed by the chiefs and witnesses.
The preface and facsimiles are reproduced from lithographic originals first printed in 1877. (Government Printer.)

FISHING METHODS AND DEVICES OF THE MAORI
by Elsdon Best
NATIONAL MUSEUM BULLETIN No. 12
264 p. 1978.
$15.95
This bulletin is another in the series of the Best publications and has been reprinted without revision so that the basic studies may be accessible in the original style.
This particular bulletin still remains the only comprehensive account of most aspects of Maori fishing. The descriptions of methods employed in fishing given here are still quite basic for any future studies in this field since no first-hand observations can now be made. The detailed fishing methods outlined in this bulletin are accompanied by descriptions of the artifacts used, together with associated chants, magic formulae, special observances and fishing lore.