Library of Congress Cataloging in Publication Data 



Main entry under title: 



Search for the universal ancestors. 



(NASA SP ; 477) 



1. Life — Origin — History. 2. Life — Origin. 

 I. Lawless, James. II. Billingham, John. III. Series. 

 QH325.S42 1985 577 85-5124 



For sale by the Superintendent of Documents, U.S. Government Printing Office 



Washington, D.C. 20402 



