Animals without backbones; an introduction to the invertebrates.

Buchsbaum, Ralph, 1907-2002.

Animals without backbones; an introduction to the invertebrates. - Rev. ed. - Chicago, University of Chicago Press [1948] - xii, 405 p. illus. 24 cm.

48009508


Invertebrates.

QL362 / .B93 1948

592