Stehlin, Hans G. & Schaub, S.; Die Trigonodontie der Simplicidentaten Nager. Schweizerische Pal. Abh., Band 67, Basel, 1951. Quarto, pp. 386, 620 text illustrations.

The work is complete and bound in a modern green leatherette with the title covers bound in. The binding is tight and clean, inscribed on cover to Craig Black by Samuel Schaub, the texts and plates are very clean. In very good condition.
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This is Stehlin's (1870-1941) final work and was published with the assistance of Samuel Schaub ten years after his death. The work is a comprehensive study of the odontography of fossil rodents. The original printing is quite scarce.