Sheppard, P.M. <br/><br/>
Natural selection and heredity / 
P.M. Sheppard. 
 - London :  Hutchinson university library,  1958. 
 - 192 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.