Fossil Echini of the Panama Canal Zone and Costa Rica. By Robert Tracy Jackson.
Material type:
TextSeries: United States National Museum. Bulletin ; 103 [pt.5]Publication details: Washington, Govt. print. off., 1918.Description: 103-116 p. illus. 25 cmSubject(s): LOC classification: - Q11 .U6 no. 163, pt. 5
At head of title: Contributions to the geology and paleontology of the Canal Zone, Panama, and geologically related areas in Central America and the West Indies.
"Extract from Bulletin 103, pages 103-116, with plates 46-52."
Stamped on t.-p.: Issued Feb. 19, 1919.
"Essentially a reprint of my paper bearing the same title published in the Proceedings of the United States National museum, volume 53, pages 489-501 ... September 24, 1917."--Introd.
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