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1.
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Substances tensio-actives et organisation de l'oeuf de batraciens Gothié, S
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2.
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The carpus and tarsus of salamanders Hilton, William A
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3.
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The skin of salamanders Hilton, William A
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4.
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The vertebrae of salamanders Hilton, William A
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5.
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The internal ear of salamanders Hilton, William A
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6.
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A lethal fluid imbalance in the Mexican axolotl: inherited as a simple mendelian recessive Humphrey, Rufus Richard
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7.
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Reversal of sex in females of genotype WW in the axolotl (Siredon or Ambystoma mexicanum) and its bearing upon the role of the Z chromosomes in the development of the testes Humphrey, Rufus Richard
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8.
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Observations on the posterior part of the neural plate in Amblystoma. II. The inductive effect of the intact posterior part of the chorda-mesodermal axis on competent prospective ectoderm Spofford, WR
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