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1.
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The mode of growth of the tail in urodele larvae Bijtel, Johanna Hubertha
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2.
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A preliminary study of skeletons of Amblystomidae Hilton, William A
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3.
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The carpus and tarsus of salamanders Hilton, William A
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4.
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The skin of salamanders Hilton, William A
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5.
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The vertebrae of salamanders Hilton, William A
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6.
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The development of the blood and the transformation of some of the early vitelline vessels in Amphibia Hilton, William A
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