A Monograph of the Trilobites of North America: with Coloured Models of the Species — Asaphus Caudatus.[30] Brünnich. Brongn. Cast No, 17.

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A Monograph of the Trilobites of North America: with Coloured Models of the Species Asaphus Caudatus.[30] Brünnich. Brongn. Cast No, 17. · ch 29/57

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