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1 ISSN T A N E THE JOURNAL OF THE AUCKLAND FIELD UNIVERSITY CLUB

2 TANE Volume 34, Published by the Auckland University, May 1993 EDITOR Susan F.Courtney SOURCE OF ARTICLES Priority is given to articles resulting from field work in northern New Zealand and New Zealand's off-shore islands. Contributions are welcomed from all students, particularly undergraduates. All intending authors should consult the Editor as soon as possible. Instructions to authors can he found inside the back cover of this issue. RENNISON PRIZE This prize, made available by Geoffrey Rennison, former student Chairperson of the Auckland University Field Club, is awarded to the author(s) of the undergraduate paper (excluding degree prerequisites) which is considered to be the best of those submitted for publication. The Rennison Prize has not been awarded for this issue as there are no papers by undergraduates. HAYWARD KAWERUA PRIZE This prize of a book voucher is offered by Bruce and Glenys Hayward to promote original research at the Field Club scientific station at Kawerua. It is awarded to the author of the best student paper based on field work around Kawerua and published in Tone. Conditions of the award can be found on p. viii of Tone 24 (1978). ACKNOWLEDGEMENTS The financial assistance of all the subscribers who made generous donations is gratefully acknowledged. Thanks are due to all those who refereed papers in this issue. SUBSCRIPTIONS Student subscribers (per volume) $10.00 Other subscribers $14.00 School libraries $12.00 Other libraries and institutions $16.00 (surface postage free within New Zealand) Cheques should be made payable to "TANE Journal". Copies of back issues and out-of-print volumes are still available; pricelists on application to the Editor. CORRESPONDENCE All correspondence should be addressed to: The Editor, TANE Journal c/- Geology Department University of Auckland Private Bag Auckland 1 NEW ZEALAND

3 T A N E THE JOURNAL OF THE AUCKLAND FIELD UNIVERSITY CLUB Volume

4 ISSN Printed by Uniprint

5 CONTENTS Editorial An illustrated guide to the land mollusca of the Te Paki ecological region, Northland, New Zealand J.F. Goulstone, P.C. Mayhill and G.R. Parris 1 Vascular plants and vegetation of Motuopao Island, Northland, New Zealand Lisa J. Forester 33 Invertebrates of Motuopao Island, Northland, New Zealand G.R. Parrish and G.H. Sherley 45 Reptiles of Motuopao Island, Northland, New Zealand G.R. Parrish and R.J. Pierce 53 Birds of Motuopao Island, Northland, New Zealand R.J. Pierce and G.R. Parrish 59 Ecology of Waimamaku River Estuary, north of Kawerua, North Auckland Bruce W. Hayward and Christopher J. Mollis 69 Estuarine foraminifera, Helena Bay, Northland, New Zealand Bruce W. Hayward 79 Prehistoric archaeology, of the Poor Knights Islands, Northern New Zealand Bruce W. Hayward 89 Sixth re-examination of permanent plot secondary kanuka forest on Little Barrier Island 107 M.C. Smale The bivalve Anadara trapezia and other macrofossils in tuffs of Motukorea Volcano, Auckland. V.F. Bryner and J.A. Grant-Mackie 123 iii

6 Palynology of a peat layer interbedded with rhyolitic tephra layers at Bucklands Beach, Auckland: a preliminary investigation R.M. Newnham and J.A. Grant-Mackie Birds of Motuhora (Whale Island), Bay of Plenty, New Zealand C.A. Butts and M.A. Potter Forest regeneration on Uretara Island, Ohiwa Harbour, Bay of Plenty M.C. Smale Mosses of Ship Cove, Marlborough Sounds, New Zealand J.E. Beever and PJ. Brownsey A visit to the Pyramid and the Murumurus, Chatham Islands A.J.D. Tennyson, R.C. Mayhill & G.S. Clark Valedictory J.A. Grant-Mackie Erratum iv

7 EDITORIAL With the current employment and economic situation in New Zealand, more and more people are turning to University study. Consequently, places in courses are keenly sought and with most University classes stretched to their limits, someone has to miss out. This is what happened to some of the 1991 Executive Committee of Field Club, and with the remaining Executive having left University because they had attained their degree, there was no-one left to run Field Club in 1992, which had been suffering from dwindling numbers over the past few years anyway. In turn, Field Club was not re-affiliated with the Auckland University Students Association, and therefore now ceases to exist. A valedictory of the Field Club completes this volume. The above turn of events caused a delay in publication of this current volume of TANE. However, with some determination and plenty of input from authors, I decided 'the show must go on'. Using funds from the sale of volume 33, back issues and donations, there was enough in kitty to fund this volume, and it is pleasing for me to see it in print. TANE Journal will continued to be published, with the same emphasis on Natural Sciences. It is hoped that an editorial committee made up of representatives from the Off Shore Islands Research Group (a group of ex Field Clubbers), the Auckland Geology Club, the Auckland Botanical Society and any other interested parties will support the publication of TANE Journal in the future. The Auckland Geology Club will provide the link with the Auckland University Students Association. I would like to thank all the people who helped in the publication of this volume of TANE, especially Bruce Hayward who assisted with the type-setting and layout of 'Land Mollusca' paper, and all those subscribers who generously gave donations. Thanks must also be conveyed to the Geology Department for providing the office space and facilities needed to complete this volume. Sue Courtney May 1993 v Tane, Vol. 34, 1993

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