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The nature of shield abnormalities in the turtle shell / [by] Rainer Zangerl -- and Ralph G. Johnson --.

v.10:no.29(1957)

On the nature of the holotype of Nipterella paradoxica (Billings) / [by] Matthew H. Nitecki --

v.16:no.11(1968)

Tableau encyclopedique et methodique des trois règnes de la nature: Botanique.

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Tableau encyclopedique et methodique des trois règnes de la nature: Botanique.

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Tableau encyclopedique et methodique des trois règnes de la nature: Botanique.

t.3

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities /

v.13:pt.2:no.1(1918)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles B. Cory.

v.13:pt.2:no.2(1919)