The invertebrates.
Edition: 1st ed.
Series: McGraw-Hill publications in the zoological sciences
Place of publication: New York
Number of pages: 24
Subjects: Invertebrates.
Notes: Includes bibliographies.                                       CONTENTS:  --v.1. Protozoa through Ctenophora.  --v.2. Platyhelminthes and Rhynchocoela, the acoelomate Bilateria.  --v.3. Acanthocephala, Aschelminthes, and Entoprocta, the pseudocoelomate Bilateria.

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