De Beer, Gavin,  Sir,  1899-1972 <br/><br/>
Vertebrate zoology  an introduction to the comparative anatomy, embryology and evolution of chordate animals 
by Sir Gavin de Beer 
 - New edition 
 - London  Sidgwick & Jackson  1951 
 - 435 p. : ill. ; 23 cm. 
 - Biology series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates