Beer DE G.R.  <br/><br/>
Embryos And Ancestors  

 - Oxford   At The Clarenbon Press  1940 
 - ix, 108p . : ill ; 22 cm  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution<br/>Adult Variation <br/>Neoteny <br/>Ontogeny 
<br/><br/><label>Universal Decimal Class. No.: </label>13  / V7