Cannon, H. Graham  1897-1963 <br/><br/>
The evolution of living things 
/ by H. Graham Cannon 
 - Manchester  Manchester University Press  1958 
 - ix, 180 p. ; 20 cm. 
<br/><br/>p. 171-173. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution