Hyman, Libbie <br/><br/>
Invertibrates 

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 - New York  McGraw-Hill  1951 
 - 5vols.,v.3.vii, 572p.   
<br/><br/> v.3.Acanthocephala, Aschelminther and entoprocta, the pseudocoelomate bilateria  
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<br/><br/><label>Subjects--Index Terms: </label>Invertebrate  invertibrates  invertibrate zoology  acanthocephala  aschelminther  entoprocta  pseudocoelomate bilateria  bilateria 
<br/><br/><label>Dewey Class. No.: </label>592