Larger Foraminifera of the Genus Lepidocyclina Related to Lepidocyclina Mantelli.
Washington, D. C.: Smithsonian Institution, 1939. 6 x 9 3/4". 90 pp. Library stamp on cover. Some pages still stuck together at top. B&w illustrations. Cover sunned, slightly soiled. Cover creased down center. Natural history of plants. Very Good Pamphlet (Item ID: 20427)