Pfadt, Robert E.

Animals without backbones [by] Robert E. Pfadt. Illustrated by Dot Barlowe. - Chicago, Follett Pub. Co. [1967] - 30 p. col. illus. 21 cm. - Follett beginning science books .

Describes the families of the animal kingdom characterized by the lack of a spinal column.

LCCN: 67009647 /AC/r832

Subjects--Topical Terms:
Invertebrates--Juvenile literature.
Invertebrates.

LC Class. No.: QL362 / .P47

Dewey Class. No.: 592