Barrington, E. J. W. <br/><br/>
The biology of Hemichordata and Protochordata 
[by] E. J. W. Barrington. 
 - San Francisco  W. H. Freeman  [1965] 
 - vi, 176 p.  illus.  22 cm. 
 - University reviews in biology .
<br/><br/>Bibliography: p. 168-174. 
<br/><br/><label>LCCN: </label>65007586 //r83 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hemichordata.<br/>Amphioxus.<br/>Tunicata.
<br/><br/><label>LC Class. No.: </label>QL610  / .B3 
<br/><br/><label>Dewey Class. No.: </label>596