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

In this groundbreaking collection of essays, Charles Darwin sets forth many of the key ideas that would later become central to his theory of evolution. From detailed descriptions of the marking patterns of caterpillars, to observations on the transformation of axolotls, to his groundbreaking work on the mechanism of natural selection, Studies in the Theory of Descent is essential reading for anyone interested in the work of this foundational figure in the history of science.

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