Ancona, Mberto d' ,  1896- <br/><br/>
The struggle for exixtance  / 
Mberto d, Ancona ; translated by An ne Charles and R. F. J. Withers. 
 - Leiden :  E. J. Brill,  1954. 
 - xi, 274 p. :  illus. ;  25 cm. 
 - Geschriften van de prof. Dr. Jan der Hoven Stichting voor Theotetisc he Biologie van Dier en Mensch, verbonden aan de Universiteit te Leiden .  Series D.   Bibliotheca biotheoretica ;  v.6. .
<br/><br/>Includes bibliographical references ( p. [260]-274.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--Ecology.<br/>Biomathematics.
<br/><br/><label>Dewey Class. No.: </label>574.5