Book Reviews

Ordovician Paleontology of the Northern Hudson Bay Lowland. Memoir 90. Samuel J. Nelson. Geological Society of America, New York,1963. x + 152 pp. Illus. Plates. $6.75

Science  29 May 1964:
Vol. 144, Issue 3622, pp. 1117
DOI: 10.1126/science.144.3622.1117-a

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