MANUAL OF MICROBIOLOGICAL METHODS 



Copyright (c) 1957 by the Society of American Bacteriologists. Copyright, 

 1923, 1926, 1936, 1946, by the Society of American Bacteriologists. Printed 

 in the United States of America. All rights reserved. This book, or parts 

 thereof, may not be reproduced in any form without permission of the publishers. 



The methods given here have not been approved formally by the Society of Ameri- 

 can Bacteriologists. The use of portions of the text of the United States Pharma- 

 copeia, 15th Revision, official December 15, 1955, is by permission received 

 from the Board of Trustees of the United States Pharmocopeial Convention. 

 The said Board is not responsible for any inaccuracies of the text thus used. 



Library of Congress Catalog Card Number 57-8629 



10 11 12 13 14 15 16 17 - MP - 1 9 8 7 



69556 



