Author: RITTER, WM. E. and Gulielma R. Crocker
Title: Papers from the Harriman Alaska Expedition. III
Description: 1900. RITTER, Wm. E. and Guilelma R. Crocker. PAPERS FROM THE HARRIMAN EXPEDITION. III. Multiplication of Rays and Bilateral Symmetry in the 20-Rayed Star-Fish. APTERYGOTA. Proceedings of the Washington Academy of Sciences. Vol. II, pp. 247-274, Oct. 10, 1900. Washington, DC: Published by the Academy, 1900. 8vo. printed wrappers. Edgewear, soil, notation to wraps. About very good. .

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