Studies in the Theory of Descent: The Origin of the Markings of Caterpillars. 2. On Phyletic Parallelism in Metamorphic Species. 3. the Transformation of the Mexican Axolotl Into Amblystoma. 4. On the Mechanical Conception of Nature
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Studies in the Theory of Descent: The Origin of the Markings of Caterpillars. 2. On Phyletic Parallelism in Metamorphic Species. 3. the Transformation of the Mexican Axolotl Into Amblystoma. 4. On the Mechanical Conception of Nature
