Bartsch, P. (1930). New and old land shells from the island of Luzon, Philippines. Proceedings of the United States National Museum, Smithsonian Institution, Washington, D.C. 78(2848): 1-20, 9 pls. [25 November 1930].
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Bartsch, P.
1930
New and old land shells from the island of Luzon, Philippines
Proceedings of the United States National Museum, Smithsonian Institution, Washington, D.C.