The New Naturalist Library
A SURVEY OF BRITISH NATURAL HISTORY CAVES AND CAVE LIFE
Editors
Max Walters, ScD, VMH Professor Richard West, ScD, FRS David Streeter, FIBiol Sarah A. Corbet Derek Ratcliffe The aim of this series is to interest the general reader in the wildlife of Britain by recapturing the enquiring spirit of the old naturalists. The editors believe that the natural pride of the British public in the native flora and fauna, to which must be added concern for their conservation, is best fostered by maintaining a high standard of accuracy combined with clarity of exposition in presenting the results of modern scientific research. A cave spider Porhomma convexum stalks across the floor of GB Cave on Mendip. Above it, a fungus gnat Speolepta leptogaster hangs in a spreading fungal mycelium. (Philip Chapman) William Collins An imprint of HarperCollinsPublishers Ltd 1 London Bridge Street London SE1 9GF WilliamCollinsBooks.com This eBook edition published by William Collins in 2018 © Philip Chapman Philip Chapman asserts his moral rights to be identified as the author of this work A catalogue record for this book is available from the British Library. All rights reserved under International and Pan-American Copyright Conventions. By payment of the required fees, you have been granted the non-exclusive, non-transferable right to access and read the text of this eBook on-screen. No part of this text may be reproduced, transmitted, downloaded, decompiled, reverse engineered, or stored in or introduced into any information storage and retrieval system, in any form or by any means, whether electronic or mechanical, now known or hereinafter invented, without the express written permission of HarperCollins Publishers. HarperCollinsPublishers has made every reasonable effort to ensure that any picture content and written content in this ebook has been included or removed in accordance with the contractual and technological constraints in operation at the time of publication. Source ISBN 9780007308545 Ebook Edition © JANUARY 2019 ISBN: 9780007403974 Version: 2019-01-09 Dedicated to the memory of Dr G.T. ‘Jeff’ Jefferson a dear colleague and friend Contents
3. Limestone Caves in Britain and Ireland
The origin and classification of cavernicoles