Darwin, Charles <br/><br/>
The origin of species :  by means of natural selection, or the  Preservation of Favoured Races in the  Struggle for Life / 
Charles Darwin 
 - 6th ed. 
 - Cambridge :  Cambridge University Press,  2009. 
 - 1 online resource (xxi, 460 p.) 
<br/><br/> Includes index 
<br/><br/>
<br/><br/><label>ISBN: </label>9780553214635 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution (Biology)<br/>Natural selection.
<br/><br/><label>LC Class. No.: </label>QH365  / .D37 2009