On some West Indian echinoids
By: by Theodor Mortensen.
Contributors: United States National Museum.
Series: Bulletin / United States National Museum -- 74; Bulletin (United States National Museum) -- no. 74.
Publisher: United States National Museum
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 31
Subjects: Sea urchins -- West Indies.
Other titles: Some West Indian echinoids
Notes: Includes index.