The invertebrates

Main Author: Hyman, Libbie Henrietta
Language:English
Published: New York: McGraw-Hill Book Company, 1951.
Subjects:
Item Description:vol.1. Protozoa through Ctenophora; vol.2 Platyhelminthes and Rhynchocoela the acoelomate Bilateria; vol.3. Acanthocephala, Ashcelminthes, and Entoprocta, the pseudocoelomate Bilateria; vol.4 Echinodermata; vol.5 Smaller coelamate groups; vol.6. Mollusca I
Physical Description:6v.: ill.; 24 cm..