Wells H G & Duries A M,  <br/><br/>
Text Book Of Zoology 17th Edn 

 - Kottayam  NATIONAL BOOKSTALL  1900 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY--Generalia--PALEOZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>560  / WEL-T