Romer, Alfred Sherwood,  1894-1973. <br/><br/>
The vertebrate story. 

 - 4th ed. 
 - Chicago :  University of Chicago Press,  [1959] 
 - 437 p.  illus.  24 cm. 
<br/><br/> "A revised and enlarged edition of 'Man and the vertebrates.'" 
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>0226724891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates.<br/>Evolution.<br/>Paleontology.