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A contribution to the knowledge of the variations of the tree frog Hyla regilla Test, Frederick Cleveland
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2.
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Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley Smyth
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3.
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Spindly leg syndrome in frogs: present knowledge and future directions to elucidate its causes Marlett, James H - Victor B Eichler - Michelle Fellows-Hagemeister
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4.
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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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5.
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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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6.
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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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