Willis, J. C. <br/><br/>
Age and area :  a study in geographical distribution and origin of species / 
By J. C. Willis. 
 - Vaals Postbus :  Asher,  1970. 
 - x, 259 p. ; 
<br/><br/> Reprint of the Cambridge, 1922 ed. 
<br/><br/><label>ISBN: </label>SSCE349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogeography.
<br/><br/><label>Dewey Class. No.: </label>578.09 W6793 Ag