Author: Cushman, J.A., & Ozawa, Y., 1929.:
Title: Some species of fossil and recent Polymorphinidae found in Japan.
Description: *Japan. Jour. Geol. Geogr., 6(3/4): pp. 63-77,[9], many figs. on 4 pls. Small 4to. Offprint, orig. wrs. Trace of rubber band on front cover, good otherwise.

Keywords: