Description
| Abstract: | This bulletin results from studies begun many years ago to clarify the record of the crinoid forms discussed herein and the confusion growing out of the excessive activity of some authors in species making. |
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| Item Description: | At head of title: Smithsonian Institution, United States National Museum. |
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| Physical Description: | v pages, 1 unnumbered page, 78 pages, 16 leaves of plates : illustrations ; 25 cm. |
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| Bibliography: | Includes bibliographical references and index. |
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| Place of Publication: | United States -- Washingto D.C. |
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