This journal is officially published biannually by Chulalongkorn University Museum of Natural History, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, THAILAND. Copyright (r) 2010 by Chulalongkorn University All rights reserved. No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior written permission of the publisher.