. Smithsonian miscellaneous collections . Trilobites (See explanation of plates at end of text.) SMITHSONIAN MISCELLANEOUS COLLECTIONS IF VOL. 119, NO. 1, PL. 24. 29 Trilobites (See explanation of plates at end of text.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 119, NO. 1, PL. 25 / y

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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience