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1.
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Notes on Professor Green's paper on the Amphibia, published in the September number of this Journal Say, Thomas
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2.
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School Resources and Student Outcomes: An Overview of the Literature and New Evidence from North and South Carolina Krueger, Alan B. - Card, David
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3.
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Albino axolotls from an albino tiger salamander trough hybridization Humphrey, Rufus Richard
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4.
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A color variant in the Mexican axolotl Humphrey, Rufus Richard - Bagnara, Joseph Tomas
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5.
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Genetic and experimental studies on a lethal trait ("short toes") in the Mexican axolotl (Ambystoma mexincanum) Humphrey, Rufus Richard
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6.
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Observations on the maturation and fertilization of the egg of the axolotl Jenkinson, John Wilfred
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7.
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Genetic and experimental studies on a lethal factor ( r ) in the axolotl which induces abnormalities in the renal system and other organs Humphrey, Rufus Richard
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8.
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An incompatibility manifested in heteroplastic parabiosis or grafting in Amblystoma due to a toxin of cutaneous origin Humphrey, Rufus Richard - Burns, Robert Kyle
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9.
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A short note. Stefano Castelli
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10.
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Preface. Helen Phtiaka
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