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1.
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Additions to the knowledge of the herpetofauna of Oaxaca, Mexico Hobart M Smith
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2.
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Contribution to the knowledge of the nematodes that parasitize the reptiles of Mexico Caballero, R G
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3.
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A contribtion to our knowledge of the herpetofauna of the Mexican state of Aguascalientes Anderson, James Donald - William Z Lidicker, Jr
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4.
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Contributions to the knowledge of the systematic arrangement and anatomy of certain genera and species of Squamata Beddard, Frank E
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5.
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Addresses in memory of Edward Drinker, Cope delivered at the meeting in the hall of the American Fhilosophical Society held at Philadelphiafor promotig useful knowledge Anonymous
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