The nature of biological diversity / 
edited by John M. Allen. 
 - New York :  McGraw-Hill,  c 1963. 
 - vii, 304 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>330  330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cytology. <br/>Histochemistry.
<br/><br/><label>Dewey Class. No.: </label>574 / A53n