Bullough, William Sydney,  1914- <br/><br/>
Vertebrate reproductive cycles / 
William Sydney Bullough 
 - 2nd ed. 
 - London :  Methuen,  1961 
 - 123 p. :  ill. ;  18 cm. 
 - Methuen's monographs on biological subjects .
<br/><br/> First published in 1951 under title: Vertebrate sexual cycles 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates--Physiology<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>596