1.
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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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2.
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A contribution to the knowledge of the l fauna of El Petén, Guatemala Stuart, Laurence Cooper
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3.
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A contribution to a knowledge of the herpetology of a portion of the savanna region of central Petén, Guatemala Stuart, Laurence Cooper
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