A REVISION OF THE SPAERIIDAE OF NORTH AMERICA (Mollusca: Pelecypoda). University of Michigan, Museum of Zoology, Miscellaneous Publications, No. 107.
Ann Arbor, 1962. 10 x 6.5, wrappers, 74 pp, 7 plates, 2 figures, bib, library stamps to front wrapper, lower fore corner bumped else vg. FIRST ED. More