Vernon H M <br/><br/>
Variation in animals and plants.   
  

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 - London  Kegan Paul  1903 
 - Ix, 415; 18.5 cms. 
<br/><br/> B   
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>575.1 ver/var